CDUS46 KSGX 240017 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 517 PM PDT SUN AUG 23 2026 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 23 2026... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 105R 3:08 PM 105 1998 95 10 102 MINIMUM 74 5:48 AM 58 2004 65 9 72 AVERAGE 90 80 10 87 PRECIPITATION (IN) TODAY 0.00 T 2025 0.00 0.00 T MONTH TO DATE 0.00 0.02 -0.02 T SINCE JUL 1 T 0.07 -0.07 T SINCE OCT 1 12.08 11.53 0.55 6.22 SINCE JAN 1 5.06 8.43 -3.37 6.07 DEGREE DAYS HEATING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 0 4 -4 0 SINCE JUL 1 0 0 0 0 COOLING TODAY 25 15 10 22 MONTH TO DATE 431 345 86 358 SINCE JUN 1 1199 1037 162 991 SINCE JAN 1 1629 1251 378 1241 ................................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 3.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 55 6:00 AM LOWEST 17 2:00 PM AVERAGE 36 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 95 106 2010 MINIMUM TEMPERATURE (F) 65 59 2004 SUNRISE AND SUNSET AUGUST 23 2026........SUNRISE 6:18 AM PDT SUNSET 7:28 PM PDT AUGUST 24 2026........SUNRISE 6:19 AM PDT SUNSET 7:26 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$