FPUS56 KMTR 181802 ZFPMTR San Francisco Bay Area/Central California Zone Forecast National Weather Service San Francisco Bay Area 1102 AM PDT Mon May 18 2026 This is an automatically generated product that provides average values for large geographic areas. For a more site specific forecast...please refer to the point and click forecast on our webpage at: https://www.weather.gov/mtr CAZ505-190900- Coastal North Bay...Including Point Reyes National Seashore- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the 70s to mid 80s. North winds 10 to 20 mph. .TONIGHT...Mostly clear. Lows in the upper 40s to mid 50s. Northwest winds 10 to 20 mph...becoming north 5 to 10 mph after midnight. .TUESDAY...Sunny. Highs in the upper 60s to lower 80s. Northwest winds 5 to 10 mph. .TUESDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s. Northwest winds 5 to 10 mph. .WEDNESDAY...Partly cloudy in the morning then becoming sunny. Highs in the 60s to mid 70s. Light winds...becoming west 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear except patchy fog. Lows in the upper 40s. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the 60s to lower 70s. Lows in the upper 40s. .FRIDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs in the 50s to upper 60s. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows in the upper 40s. .SATURDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 50s to mid 60s. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows in the upper 40s. .SUNDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 50s to mid 60s. && TEMPERATURE / PRECIPITATION Point Reyes 83 51 78 / $$ CAZ503-190900- Sonoma Coastal Range- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the upper 80s. North winds 5 to 10 mph. .TONIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to 10 mph in the evening...becoming light. .TUESDAY...Sunny. Highs in the upper 80s. Light winds...becoming northwest around 5 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds around 5 mph in the evening...becoming light. .WEDNESDAY...Sunny. Highs in the mid 80s. Light winds...becoming southwest around 5 mph in the afternoon. .WEDNESDAY NIGHT...Clear. Lows in the mid 50s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid 80s. Lows in the mid 50s. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the upper 70s. Lows in the lower 50s. .SATURDAY THROUGH SUNDAY...Partly cloudy. Highs in the lower 70s. Lows around 50. $$ CAZ502-190900- Marin Coastal Range- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the mid 80s. North winds 10 to 15 mph. .TONIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to 15 mph. .TUESDAY...Sunny. Highs in the mid 80s. North winds 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds 5 to 10 mph. .WEDNESDAY...Partly cloudy in the morning then becoming sunny. Highs in the upper 70s. Southwest winds around 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the 70s. Lows in the lower 50s. .FRIDAY THROUGH SUNDAY...Partly cloudy. Highs in the 60s to lower 70s. Lows in the lower 50s. $$ CAZ506-190900- North Bay Interior Valleys- 1102 AM PDT Mon May 18 2026 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 3 AM PDT TUESDAY... .REST OF TODAY...Sunny. Highs in the upper 70s to lower 90s. North winds 10 to 20 mph. .TONIGHT...Clear. Lows in the 50s to lower 60s. Northwest winds 5 to 15 mph. .TUESDAY...Sunny. Highs in the upper 70s to lower 90s. North winds 5 to 15 mph. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 60s. West winds 10 to 15 mph decreasing to up to 5 mph after midnight. .WEDNESDAY...Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to upper 80s. Light winds...becoming southwest 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s to lower 60s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid 70s to upper 80s. Lows in the upper 40s to lower 60s. .FRIDAY...Partly cloudy in the morning then becoming sunny. Highs in the upper 60s to lower 80s. .FRIDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 40s to mid 50s. .SATURDAY...Mostly cloudy in the morning then becoming sunny. Highs in the mid 60s to lower 80s. .SATURDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the upper 40s to mid 50s. .SUNDAY...Mostly cloudy in the morning then becoming sunny. Highs in the mid 60s to lower 80s. && TEMPERATURE / PRECIPITATION Santa Rosa 92 52 92 / San Rafael 90 56 90 / Napa 86 56 88 / $$ CAZ504-190900- North Bay Interior Mountains- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs near 80. North winds 10 to 20 mph. .TONIGHT...Clear. Lows near 60. North winds 5 to 10 mph. .TUESDAY...Sunny. Highs in the upper 70s to mid 80s. North winds 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows in the upper 50s to mid 60s. Northwest winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs in the mid 70s to upper 80s. Light winds...becoming south 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Clear. Lows near 60. .THURSDAY AND THURSDAY NIGHT...Clear. Highs in the mid 70s to upper 80s. Lows in the mid 50s to lower 60s. .FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs in the upper 60s to mid 80s. Lows in the mid 50s. .SATURDAY THROUGH SUNDAY...Mostly clear. Highs in the mid 60s to upper 70s. Lows in the lower 50s. && TEMPERATURE / PRECIPITATION Lake Berryessa 82 58 86 / $$ CAZ006-190900- San Francisco- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the 70s to 80s. North winds 10 to 20 mph. .TONIGHT...Mostly clear. Lows in the mid 50s. West winds 10 to 20 mph...becoming northwest 5 to 10 mph after midnight. .TUESDAY...Sunny. Highs in the upper 60s to mid 80s. North winds around 5 mph...becoming west 5 to 15 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the lower to mid 50s. Southwest winds 5 to 15 mph. .WEDNESDAY...Partly cloudy in the morning then becoming sunny. Highs in the lower 60s to mid 70s. Southwest winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s. .THURSDAY THROUGH FRIDAY...Partly cloudy. Highs in the upper 50s to lower 70s. Lows in the lower 50s. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows in the lower 50s. Highs in the 50s to upper 60s. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the lower 50s. Highs in the 50s to upper 60s. && TEMPERATURE / PRECIPITATION San Francisco 88 55 82 / Ocean Beach 84 54 78 / $$ CAZ509-190900- San Francisco Peninsula Coast- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the mid 70s to lower 80s. North winds 10 to 15 mph. .TONIGHT...Mostly clear. Lows in the lower 50s. Northwest winds 5 to 15 mph. .TUESDAY...Sunny. Highs in the mid 70s. North winds 5 to 10 mph. .TUESDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows around 50. Northwest winds 5 to 10 mph in the evening...becoming light. .WEDNESDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 60s. Light winds...becoming west 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s. .THURSDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs in the 60s. .THURSDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows in the upper 40s. .FRIDAY THROUGH SATURDAY...Mostly cloudy. Highs in the lower 60s. Lows around 50. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows around 50. .SUNDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 60s. $$ CAZ508-190900- San Francisco Bay Shoreline- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the 80s. North winds 10 to 20 mph. .TONIGHT...Clear. Lows in the mid 50s. Northwest winds 10 to 20 mph...becoming 5 to 10 mph after midnight. .TUESDAY...Sunny. Highs in the 80s. North winds up to 5 mph increasing to northwest 10 to 20 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds 10 to 20 mph...becoming southwest up to 5 mph after midnight. .WEDNESDAY...Partly cloudy in the morning then becoming sunny. Highs in the 70s to mid 80s. Light winds...becoming west 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the 70s to lower 80s. Lows in the lower 50s. .FRIDAY THROUGH SUNDAY...Partly cloudy. Highs in the 60s to upper 70s. Lows in the lower 50s. && TEMPERATURE / PRECIPITATION SFO Airport 83 54 81 / Oakland 86 57 86 / Fremont 85 54 86 / Redwood City 87 54 87 / Mountain View 80 55 82 / $$ CAZ510-190900- East Bay Interior Valleys- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the upper 80s. North winds 10 to 20 mph. .TONIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to 15 mph. .TUESDAY...Sunny. Highs in the lower 90s. North winds 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows in the upper 50s. West winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs in the lower 90s. Light winds... becoming west 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. .THURSDAY...Sunny. Highs near 90. .THURSDAY NIGHT...Clear. Lows in the mid 50s. .FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the mid 70s to upper 80s. Lows in the lower 50s. && TEMPERATURE / PRECIPITATION Concord 91 55 92 / Livermore 87 53 90 / $$ CAZ513-190900- Santa Clara Valley...including San Jose- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the mid 80s. Northwest winds 10 to 20 mph. .TONIGHT...Clear. Lows in the lower 50s. Northwest winds 10 to 20 mph...becoming north around 5 mph after midnight. .TUESDAY...Sunny. Highs in the upper 80s. Northwest winds 5 to 15 mph. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest winds 5 to 15 mph in the evening...becoming light. .WEDNESDAY...Sunny. Highs in the upper 80s. Light winds... becoming west 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. .THURSDAY THROUGH FRIDAY NIGHT...Mostly clear. Highs in the mid 80s to lower 90s. Lows in the lower 50s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs around 80. Lows in the lower 50s. .SUNDAY...Partly cloudy in the morning then becoming sunny. Highs in the upper 70s. &&TEMPERATURE / PRECIPITATION San Jose 82 54 86 / Morgan Hill 86 51 89 / $$ CAZ512-190900- Santa Cruz Mountains- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the 70s to lower 80s. North winds 5 to 15 mph. .TONIGHT...Clear. Lows in the lower 50s. Northwest winds 10 to 15 mph...becoming north around 5 mph after midnight. .TUESDAY...Sunny. Highs in the mid 70s to upper 80s. North winds 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows in the 50s to lower 60s. Northwest winds 5 to 10 mph in the evening...becoming light. .WEDNESDAY...Sunny. Highs in the lower 70s to mid 80s. Light winds...becoming southwest around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the 40s to upper 50s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the 70s to lower 80s. Lows in the upper 40s to mid 50s. .FRIDAY THROUGH SUNDAY...Partly cloudy. Highs in the lower 60s to mid 70s. Lows in the lower 50s. $$ CAZ515-190900- East Bay Hills- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the mid 80s. North winds 15 to 20 mph with gusts to around 40 mph. .TONIGHT...Clear. Lows around 60. Northwest winds 5 to 15 mph. .TUESDAY...Sunny. Highs in the upper 80s. North winds 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows in the lower 60s. West winds 5 to 10 mph. .WEDNESDAY...Partly cloudy in the morning then becoming sunny. Highs in the upper 80s. Southwest winds around 5 mph...becoming west in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid 80s. Lows in the upper 50s. .FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs in the lower 80s. Lows in the mid 50s. .SATURDAY THROUGH SUNDAY...Mostly clear. Highs in the mid 70s. Lows in the mid 50s. $$ CAZ514-190900- Eastern Santa Clara Hills- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the lower 70s. North winds 5 to 15 mph. .TONIGHT...Clear. Lows in the mid 40s to upper 50s. Northwest winds 5 to 15 mph. .TUESDAY...Sunny. Highs in the upper 70s. North winds 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows in the upper 40s to mid 60s. Northwest winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs in the lower 80s. Northeast winds around 5 mph...becoming west in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s to mid 60s. .THURSDAY AND THURSDAY NIGHT...Clear. Highs in the lower 80s. Lows in the upper 40s to lower 60s. .FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the mid 70s to lower 80s. Lows in the mid 40s to upper 50s. $$ CAZ529-190900- Northern Monterey Bay- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the lower 80s. Light winds... becoming northwest 5 to 10 mph in the afternoon. .TONIGHT...Clear. Lows around 50. Northwest winds 5 to 10 mph in the evening...becoming light. .TUESDAY...Sunny. Highs in the mid 80s. Light winds...becoming west around 5 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. West winds around 5 mph in the evening...becoming light. .WEDNESDAY...Sunny. Highs in the upper 70s. Light winds... becoming southwest 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows around 50. .THURSDAY...Partly cloudy in the morning then becoming sunny. Highs in the mid 70s. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 70s. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows around 50. .SATURDAY THROUGH SUNDAY...Partly cloudy. Patchy fog. Highs around 70. Lows around 50. && TEMPERATURE / PRECIPITATION Santa Cruz 84 51 86/ $$ CAZ530-190900- Southern Monterey Bay and Big Sur Coast- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the mid 70s. Northeast winds around 5 mph...becoming west in the afternoon. .TONIGHT...Mostly clear. Lows in the lower 50s. Northwest winds 5 to 10 mph. .TUESDAY...Sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds around 5 mph in the evening...becoming light. .WEDNESDAY...Sunny. Highs in the 70s. Light winds...becoming northwest 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. .THURSDAY THROUGH SUNDAY...Partly cloudy. Highs in the upper 60s to mid 70s. Lows around 50. && TEMPERATURE / PRECIPITATION Monterey 74 50 76 / Big Sur 76 54 78 / $$ CAZ528-190900- Northern Salinas Valley...Hollister Valley...and Carmel Valley- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the upper 70s to mid 80s. Northwest winds 5 to 15 mph. .TONIGHT...Clear. Lows in the lower 50s. West winds 5 to 10 mph... becoming northeast after midnight. .TUESDAY...Sunny. Highs in the 80s. East winds up to 5 mph increasing to northwest 10 to 15 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds 5 to 10 mph in the evening...becoming light. .WEDNESDAY...Sunny. Highs in the 70s to upper 80s. Light winds... becoming west 10 to 15 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the lower 70s to mid 80s. Lows in the lower 50s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 50. Highs in the lower to mid 70s. .SATURDAY NIGHT...Mostly clear in the evening then becoming mostly cloudy. Patchy fog. Lows around 50. .SUNDAY...Mostly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 70s. && TEMPERATURE / PRECIPITATION Salinas 79 50 83 / Carmel Valley 80 52 84 / Hollister 84 50 88 / $$ CAZ516-190900- Southern Salinas Valley...Arroyo Seco...and Lake San Antonio- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the lower 80s. Light winds... becoming southwest 10 to 15 mph in the afternoon. .TONIGHT...Clear. Lows in the upper 40s. Northwest winds 10 to 15 mph decreasing to up to 5 mph after midnight. .TUESDAY...Sunny. Highs in the upper 80s. Light winds...becoming northwest around 5 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows around 50. Northwest winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs in the upper 80s. Light winds... becoming southwest around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows around 50. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the upper 80s. Lows in the upper 40s. .FRIDAY NIGHT...Mostly clear except patchy fog. Lows in the upper 40s. .SATURDAY THROUGH SUNDAY...Mostly clear. Areas of fog. Highs in the lower 80s. Lows in the upper 40s. && TEMPERATURE / PRECIPITATION King City 81 49 86 / $$ CAZ517-190900- Santa Lucia Mountains and Los Padres National Forest- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the 60s to 70s. Northeast winds 5 to 10 mph...becoming northwest 5 to 15 mph in the afternoon. .TONIGHT...Clear. Lows in the upper 40s to mid 50s. Northwest winds 5 to 15 mph. .TUESDAY...Sunny. Highs in the upper 60s to lower 80s. North winds 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows in the 50s to lower60s. Northwest winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs in the lower 70s to mid 80s. Northeast winds around 5 mph...becoming west in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the 50s. .THURSDAY...Sunny. Highs in the upper 60s to mid 80s. .THURSDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows in the upper 40s to mid 50s. Highs in the mid 60s to upper 70s. $$ CAZ518-190900- Mountains of San Benito and Interior Monterey County including Pinnacles National Park- 1102 AM PDT Mon May 18 2026 .REST OF TODAY...Sunny. Highs in the upper 60s to lower 80s. East winds 5 to 10 mph...becoming north in the afternoon. .TONIGHT...Clear. Lows in the 40s to mid 50s. North winds 5 to 15 mph. .TUESDAY...Sunny. Highs in the 70s to 80s. North winds 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows in the upper 40s to lower 60s. Northwest winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs in the mid 70s to lower 90s. East winds up to 5 mph...becoming west in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s to lower 60s. .THURSDAY THROUGH FRIDAY NIGHT...Clear. Highs in the mid 70s to lower 90s. Lows in the mid 40s to lower 60s. .SATURDAY...Sunny. Highs in the lower 70s to mid 80s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the 40s to mid 50s. Highs in the lower 70s to mid 80s. && TEMPERATURE / PRECIPITATION Pinnacles NP 84 48 88 / $$ Visit us at www.weather.gov/sanfrancisco Follow us on Facebook and X at: www.facebook.com/nwsbayarea x.com/nwsbayarea