273
CDUS46 KSGX 160016
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
516 PM PDT FRI AUG 15 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 15 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 87 2:28 PM 110 2020 95 -8 96
MINIMUM 64 12:46 AM 58 2010 65 -1 68
AVERAGE 76 80 -4 82
PRECIPITATION (IN)
TODAY 0.00 0.30 2005 0.00 0.00 0.00
MONTH TO DATE 0.00 0.02 -0.02 T
SINCE JUL 1 0.00 0.07 -0.07 T
SINCE OCT 1 6.22 11.53 -5.31 17.64
SINCE JAN 1 6.07 8.43 -2.36 16.29
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 4 -4 2
SINCE JUL 1 0 0 0 0
COOLING
TODAY 11 15 -4 17
MONTH TO DATE 220 225 -5 288
SINCE JUN 1 853 917 -64 1093
SINCE JAN 1 1103 1131 -28 1154
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 12:00 AM
LOWEST 36 2:00 PM
AVERAGE 62
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 107 2015
MINIMUM TEMPERATURE (F) 65 58 1999
SUNRISE AND SUNSET
AUGUST 15 2025........SUNRISE 6:12 AM PDT SUNSET 7:37 PM PDT
AUGUST 16 2025........SUNRISE 6:13 AM PDT SUNSET 7:36 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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