FPUS56 KEKA 180836 ZFPEKA Zone Forecast Product for California National Weather Service Eureka CA 136 AM PDT Mon May 18 2026 This is an average forecast over a large and geographically diverse area. For a specific forecast for your location...please refer to the point and click forecast on our webpage at: www.weather.gov/eureka. Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Tuesday. CAZ101-190200- Coastal Del Norte- Including the cities of Ft Dick, Crescent City, and Smith River 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 63 to 73. North wind 10 to 20 mph. .TONIGHT...Clear. Lows 46 to 56. North wind 10 to 20 mph. .TUESDAY...Sunny. Highs 64 to 75. North wind 5 to 15 mph. .TUESDAY NIGHT...Partly cloudy. Lows 47 to 57. North wind 10 to 20 mph. .WEDNESDAY...Sunny. Highs 65 to 76. North wind around 15 mph. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows 48 to 58. Highs 65 to 77. .FRIDAY THROUGH SUNDAY...Partly cloudy. Highs 61 to 76. Lows 46 to 56. && TEMPERATURE / PRECIPITATION Crescent City 63 52 65 / 0 0 0 Klamath 65 49 67 / 0 0 0 $$ CAZ102-190200- Interior Del Norte- Including the city of Gasquet 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 65 to 80. .TONIGHT...Clear. Lows 42 to 52. .TUESDAY...Sunny. Highs 69 to 84. .TUESDAY NIGHT...Mostly clear. Lows 46 to 56. .WEDNESDAY...Sunny. Highs 71 to 86. .WEDNESDAY NIGHT...Mostly clear. Lows 48 to 58. .THURSDAY...Sunny. Highs 72 to 87. .THURSDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 49 to 59. Highs 72 to 87. && TEMPERATURE / PRECIPITATION Gasquet 80 50 84 / 0 0 0 $$ CAZ103-190200- Northern Coastal Humboldt- Including the cities of Eureka, Samoa, Arcata, Arcata Arpt, Fieldbrook, Fernbridge, and Fortuna 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 61 to 71. North wind 5 to 15 mph. .TONIGHT...Mostly clear. Patchy fog overnight. Lows 40 to 50. Northwest wind around 15 mph becoming north around 5 mph overnight. .TUESDAY...Sunny. Patchy fog in the morning. Highs 62 to 73. Northwest wind 5 to 15 mph. .TUESDAY NIGHT...Partly cloudy. Patchy fog. Lows 43 to 53. North wind around 10 mph. .WEDNESDAY...Mostly sunny. Patchy fog. Highs 62 to 73. North wind around 15 mph. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Patchy fog. Lows 44 to 54. Highs 62 to 77. .THURSDAY NIGHT...Mostly clear. Patchy fog. Lows 45 to 55. .FRIDAY...Partly cloudy. Highs 62 to 73. .FRIDAY NIGHT...Partly cloudy. Patchy fog. Lows 44 to 54. .SATURDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs 61 to 72. .SATURDAY NIGHT...Partly cloudy. Patchy fog. Lows 44 to 54. .SUNDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs 61 to 71. && TEMPERATURE / PRECIPITATION McKinleyville 62 44 63 / 0 0 0 Arcata 64 44 66 / 0 0 0 Eureka 62 46 64 / 0 0 0 Fortuna 66 45 68 / 0 0 0 $$ CAZ104-190200- Southwestern Humboldt- Including the cities of Honeydew, Petrolia, Briceland, Ettersburg, Shelter Cove, and Whitethorn 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 65 to 80. North wind 5 to 15 mph with gusts at higher elevations to around 30 mph. .TONIGHT...Mostly clear. Lows 42 to 52. In the valleys, northwest wind around 15 mph becoming north around 5 mph overnight. At higher elevation, north wind 5 to 15 mph. .TUESDAY...Sunny. Highs 71 to 86. North wind 5 to 15 mph with gusts at higher elevations to around 30 mph. .TUESDAY NIGHT...Mostly clear. Lows 45 to 55. North wind around 15 mph with gusts at higher elevations to around 30 mph. .WEDNESDAY...Sunny. Highs 73 to 88. North wind around 15 mph. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows 46 to 56. Highs 77 to 92. .FRIDAY...Sunny. Highs 69 to 84. .FRIDAY NIGHT...Mostly clear. Patchy fog. Lows 45 to 55. .SATURDAY...Mostly sunny. Highs 65 to 80. .SATURDAY NIGHT...Partly cloudy. Patchy fog. Lows 44 to 54. .SUNDAY...Mostly sunny. Highs 64 to 79. && TEMPERATURE / PRECIPITATION Honeydew 73 45 78 / 0 0 0 $$ CAZ105-190200- Northeastern Interior Humboldt- Including the cities of Hoopa, Orleans, Weitchpec, and Willow Creek 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 68 to 83. .TONIGHT...Clear. Lows 41 to 51. .TUESDAY...Sunny. Highs 73 to 88. .TUESDAY NIGHT...Mostly clear. Lows 45 to 55. .WEDNESDAY...Sunny. Highs 76 to 91. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 47 to 57. Highs 80 to 95. .THURSDAY NIGHT...Clear. Lows 48 to 58. .FRIDAY THROUGH SUNDAY...Mostly clear. Highs 77 to 92. Lows 47 to 57. && TEMPERATURE / PRECIPITATION Orleans 82 49 86 / 0 0 0 Hoopa 80 47 85 / 0 0 0 Willow Creek 81 47 86 / 0 0 0 $$ CAZ106-190200- Southeastern Interior Humboldt- Including the cities of Bull Creek, Pepperwood, Shively, Dinsmore, Bridgeville, Alderpoint, and Benbow 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 67 to 82. .TONIGHT...Mostly clear. Lows 40 to 50. .TUESDAY...Sunny. Highs 73 to 88. .TUESDAY NIGHT...Mostly clear. Lows 44 to 54. .WEDNESDAY...Sunny. Highs 76 to 91. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows 48 to 58. Highs 79 to 94. .FRIDAY...Sunny. Highs 72 to 87. .FRIDAY NIGHT...Mostly clear. Patchy valley fog. Lows 46 to 56. .SATURDAY...Sunny. Highs 69 to 84. .SATURDAY NIGHT...Mostly clear. Patchy valley fog. Lows 45 to 55. .SUNDAY...Sunny. Highs 67 to 82. && TEMPERATURE / PRECIPITATION Garberville 80 44 85 / 0 0 0 $$ CAZ108-190200- Southern Trinity- Including the cities of Forest Glen, Hayfork, Hyampom, Peanut, Ruth, and Zenia 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 64 to 79. .TONIGHT...Clear. Lows 39 to 49. .TUESDAY...Sunny. Highs 71 to 86. .TUESDAY NIGHT...Mostly clear. Lows 44 to 54. .WEDNESDAY...Sunny. Highs 77 to 92. .WEDNESDAY NIGHT...Mostly clear. Lows 47 to 57. .THURSDAY THROUGH FRIDAY...Clear. Highs 81 to 96. Lows 48 to 58. .FRIDAY NIGHT...Mostly clear. Lows 48 to 58. .SATURDAY...Sunny. Highs 78 to 93. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 46 to 56. Highs 78 to 93. && TEMPERATURE / PRECIPITATION Hayfork 79 39 86 / 0 0 0 Ruth 76 40 83 / 0 0 0 $$ CAZ109-190200- Coastal Mendocino- Including the cities of Fort Bragg and Rockport 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 65 to 80. North wind around 10 mph with gusts to around 25 mph. .TONIGHT...Clear. Lows 43 to 53. North wind up to 10 mph with gusts to around 25 mph. .TUESDAY...Sunny. Highs 71 to 86. Northwest wind around 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 46 to 56. North wind around 10 mph. .WEDNESDAY...Sunny. Highs 73 to 88. Northwest wind around 5 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 47 to 57. Highs 73 to 88. .THURSDAY NIGHT...Mostly clear. Patchy fog. Lows 46 to 56. .FRIDAY...Sunny. Highs 63 to 78. .FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy. Patchy fog. Lows 43 to 53. Highs 63 to 78. && TEMPERATURE / PRECIPITATION Fort Bragg 66 45 69 / 0 0 0 Point Arena 62 47 64 / 0 0 0 $$ CAZ110-190200- Northwestern Interior Mendocino- Including the cities of Potter Valley and Willits 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 70 to 85. At higher elevation, northeast wind up to 20 mph in the morning. .TONIGHT...Clear. Lows 42 to 52. .TUESDAY...Sunny. Highs 75 to 90. .TUESDAY NIGHT...Mostly clear. Lows 46 to 56. .WEDNESDAY...Sunny. Highs 78 to 93. .WEDNESDAY NIGHT...Mostly clear. Lows 49 to 59. .THURSDAY THROUGH FRIDAY...Clear. Highs 81 to 96. Lows 50 to 60. .FRIDAY NIGHT...Mostly clear. Patchy valley fog. Lows 46 to 56. .SATURDAY...Sunny. Highs 75 to 90. .SATURDAY NIGHT...Mostly clear. Patchy valley fog. Lows 45 to 55. .SUNDAY...Sunny. Highs 74 to 89. && TEMPERATURE / PRECIPITATION Leggett 79 46 84 / 0 0 0 Laytonville 78 45 83 / 0 0 0 Willits 78 45 83 / 0 0 0 $$ CAZ111-190200- Northeastern Interior Mendocino- Including the city of Covelo 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 69 to 84. .TONIGHT...Clear. Lows 43 to 53. .TUESDAY...Sunny. Highs 74 to 89. .TUESDAY NIGHT...Mostly clear. Lows 48 to 58. .WEDNESDAY...Sunny. Highs 79 to 94. .WEDNESDAY NIGHT...Mostly clear. Lows 50 to 60. .THURSDAY THROUGH FRIDAY...Clear. Highs 82 to 97. Lows 51 to 61. .FRIDAY NIGHT...Mostly clear. Lows 50 to 60. .SATURDAY...Sunny. Highs 78 to 93. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 48 to 58. Highs 78 to 93. && TEMPERATURE / PRECIPITATION Covelo 78 44 84 / 0 0 0 $$ CAZ112-190200- Southwestern Interior Mendocino- Including the cities of Boonville, Philo, Comptche, and Yorkville 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 73 to 83. .TONIGHT...Clear. Lows 43 to 53. .TUESDAY...Sunny. Highs 79 to 89. .TUESDAY NIGHT...Mostly clear. Lows 48 to 58. .WEDNESDAY...Sunny. Highs 79 to 92. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows 49 to 59. Highs 79 to 93. .FRIDAY...Sunny. Highs 73 to 87. .FRIDAY NIGHT...Mostly clear. Areas of valley fog. Lows 45 to 55. .SATURDAY...Partly cloudy in the morning then clearing. Highs 68 to 82. .SATURDAY NIGHT...Partly cloudy. Patchy valley fog. Lows 44 to 54. .SUNDAY...Partly cloudy in the morning then clearing. Highs 68 to 82. && TEMPERATURE / PRECIPITATION Boonville 79 47 86 / 0 0 0 $$ CAZ113-190200- Southeastern Interior Mendocino- Including the cities of Calpella, Hopland, Redwood Valley, Talmage, and Ukiah 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 71 to 84. .TONIGHT...Clear. Lows 47 to 57. .TUESDAY...Sunny. Highs 78 to 91. .TUESDAY NIGHT...Mostly clear. Lows 54 to 64. .WEDNESDAY...Sunny. Highs 80 to 94. .WEDNESDAY NIGHT...Mostly clear. Lows 56 to 66. .THURSDAY THROUGH FRIDAY...Clear. Highs 82 to 97. Lows 56 to 66. .FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 50 to 60. Highs 77 to 92. && TEMPERATURE / PRECIPITATION Ukiah 83 49 89 / 0 0 0 $$ CAZ114-190200- Northern Lake- Including the city of Gravelly Valley Airport 136 AM PDT Mon May 18 2026 .TODAY...Sunny, breezy. Highs 69 to 84. Northeast wind 20 to 25 mph in the morning. Gusts up to 40 mph. .TONIGHT...Clear. Lows 45 to 55. .TUESDAY...Sunny. Highs 74 to 89. .TUESDAY NIGHT...Mostly clear. Lows 50 to 60. .WEDNESDAY...Sunny. Highs 78 to 93. .WEDNESDAY NIGHT...Mostly clear. Lows 53 to 63. .THURSDAY...Sunny. Highs 82 to 97. .THURSDAY NIGHT...Mostly clear. Lows 54 to 64. .FRIDAY...Sunny. Highs 79 to 94. .FRIDAY NIGHT...Mostly clear. Lows 51 to 61. .SATURDAY...Sunny. Highs 77 to 92. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 49 to 59. Highs 77 to 92. && TEMPERATURE / PRECIPITATION Lake Pillsbury 83 43 88 / 0 0 0 $$ CAZ116-190200- Northwestern and Central Trinity- Including the cities of Weaverville, Douglas City, Helena, Junction City, Big Bar, Del Loma, and Burnt Ranch 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 70 to 85. East wind around 10 mph shifting to the north in the afternoon. .TONIGHT...Clear. Lows 40 to 50. North wind 5 to 15 mph. .TUESDAY...Sunny. Highs 76 to 91. Northeast wind around 10 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 46 to 56. Northwest wind around 15 mph. .WEDNESDAY...Sunny. Highs 81 to 96. Northwest wind around 10 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 50 to 60. .THURSDAY AND THURSDAY NIGHT...Clear. Highs 87 to 102. Lows 51 to 61. .FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 84 to 99. Lows 51 to 61. .SATURDAY...Sunny. Highs 82 to 97. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 48 to 58. Highs 82 to 97. && TEMPERATURE / PRECIPITATION Big Bar 81 45 87 / 0 0 0 Weaverville 79 44 84 / 0 0 0 $$ CAZ117-190200- Northeastern Trinity- Including the cities of Carrville and Trinity Center 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 64 to 79. Northeast wind 5 to 15 mph. .TONIGHT...Mostly clear. Lows 37 to 47. North wind 5 to 15 mph. .TUESDAY...Sunny. Highs 71 to 86. Northeast wind up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 43 to 53. Northwest wind around 10 mph. .WEDNESDAY...Sunny. Highs 74 to 89. North wind around 10 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 47 to 57. .THURSDAY...Sunny. Highs 78 to 93. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 49 to 59. Highs 78 to 93. .SATURDAY...Sunny. Highs 76 to 91. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 46 to 56. Highs 76 to 91. && TEMPERATURE / PRECIPITATION Trinity Center 78 45 84 / 0 0 0 $$ CAZ118-190200- Western Lake- Including the cities of Finley, Knobcone Camp, Lakeport, Soda Bay, Lucerne, Nice, and Saratoga Springs 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 73 to 83. North wind up to 10 mph. .TONIGHT...Clear. Lows 47 to 57. Northwest wind around 10 mph. .TUESDAY...Sunny. Highs 79 to 89. Northeast wind around 5 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 54 to 64. Northwest wind around 10 mph. .WEDNESDAY...Sunny. Highs 82 to 92. South wind around 10 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 56 to 66. .THURSDAY THROUGH FRIDAY...Clear. Highs 82 to 95. Lows 56 to 66. .FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 50 to 60. Highs 78 to 92. && TEMPERATURE / PRECIPITATION Lakeport 79 49 85 / 0 0 0 $$ CAZ119-190200- Southwestern Lake- Including the cities of Kelseyville, Mount Konocti, Adams, Anderson Springs, Cobb, Ettawa Springs, and Forest Lake 136 AM PDT Mon May 18 2026 .TODAY...Sunny. Highs 72 to 82. Northeast wind 10 to 20 mph with gusts to around 40 mph. .TONIGHT...Clear. Lows 50 to 60. North wind up to 10 mph with gusts to around 25 mph. .TUESDAY...Sunny. Highs 78 to 88. North wind up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 55 to 65. Northwest wind around 10 mph. .WEDNESDAY...Sunny. Highs 80 to 91. Southeast wind around 10 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 56 to 66. .THURSDAY THROUGH FRIDAY NIGHT...Clear. Highs 80 to 94. Lows 53 to 63. .SATURDAY THROUGH SUNDAY...Mostly clear. Highs 76 to 86. Lows 50 to 60. $$ CAZ120-190200- Eastern Lake- Including the cities of Clearlake, Clearlake Park, Hidden Valley Lake, and Middletown 136 AM PDT Mon May 18 2026 .TODAY...Sunny, breezy. Highs 74 to 84. North wind 15 to 25 mph with gusts to around 45 mph. .TONIGHT...Clear. Lows 49 to 59. North wind 5 to 15 mph. .TUESDAY...Sunny. Highs 79 to 89. North wind 5 to 15 mph. .TUESDAY NIGHT...Mostly clear. Lows 53 to 63. Northwest wind around 10 mph. .WEDNESDAY...Sunny. Highs 82 to 92. East wind around 10 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 54 to 64. .THURSDAY THROUGH FRIDAY NIGHT...Clear. Highs 84 to 95. Lows 52 to 62. .SATURDAY...Sunny. Highs 81 to 91. .SATURDAY NIGHT...Clear. Lows 49 to 59. .SUNDAY...Sunny. Highs 80 to 90. && TEMPERATURE / PRECIPITATION Middletown 81 50 87 / 0 0 0 Clearlake 80 50 86 / 0 0 0 $$