CDUS46 KSGX 060017 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 517 PM PDT TUE MAY 05 2026 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 5 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 66 3:56 PM 97 2018 79 -13 62 MINIMUM 53 4:45 AM 45 1999 54 -1 53 AVERAGE 60 66 -6 58 PRECIPITATION (IN) TODAY 0.17 0.19 2025 0.01 0.16 0.19 MONTH TO DATE 0.17 0.07 0.10 0.24 SINCE JUL 1 12.16 11.39 0.77 6.11 SINCE OCT 1 12.04 11.21 0.83 6.11 SINCE JAN 1 5.02 8.11 -3.09 5.96 DEGREE DAYS HEATING TODAY 5 2 3 7 MONTH TO DATE 9 10 -1 20 SINCE MAR 1 65 287 -222 364 SINCE JUL 1 629 1261 -632 1122 COOLING TODAY 0 3 -3 0 MONTH TO DATE 8 15 -7 1 SINCE MAR 1 280 95 185 58 SINCE JAN 1 323 108 215 77 ................................................................... WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 8.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 3:00 AM LOWEST 48 1:00 PM AVERAGE 72 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 98 2020 MINIMUM TEMPERATURE (F) 54 43 2016 SUNRISE AND SUNSET MAY 5 2026...........SUNRISE 5:57 AM PDT SUNSET 7:38 PM PDT MAY 6 2026...........SUNRISE 5:56 AM PDT SUNSET 7:38 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$