Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 030010
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
510 PM PDT SAT AUG 02 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 2 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 93 2:38 PM 104 2021 95 -2 100
MINIMUM 61 5:32 AM 58 2013 65 -4 71
AVERAGE 77 80 -3 86
PRECIPITATION (IN)
TODAY 0.00 0.09 2014 0.00 0.00 0.00
MONTH TO DATE 0.00 0.00 0.00 T
SINCE JUL 1 0.00 0.05 -0.05 T
SINCE OCT 1 6.22 11.51 -5.29 17.64
SINCE JAN 1 6.07 8.41 -2.34 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 12 15 -3 21
MONTH TO DATE 24 30 -6 39
SINCE JUN 1 657 722 -65 844
SINCE JAN 1 907 936 -29 905
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 4.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 5:00 AM
LOWEST 27 2:00 PM
AVERAGE 57
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 105 1998
MINIMUM TEMPERATURE (F) 65 59 2013
SUNRISE AND SUNSET
AUGUST 2 2025........SUNRISE 6:03 AM PDT SUNSET 7:50 PM PDT
AUGUST 3 2025........SUNRISE 6:04 AM PDT SUNSET 7:49 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$