Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 020029
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
529 PM PDT FRI AUG 01 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 1 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 92 2:53 PM 104 2017 95 -3 98
MINIMUM 61 5:42 AM 58 2010 65 -4 67
AVERAGE 77 80 -3 83
PRECIPITATION (IN)
TODAY 0.00 T 2022 0.00 0.00 T
2023
2024
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 18
MONTH TO DATE 12 15 -3 18
SINCE JUN 1 645 707 -62 823
SINCE JAN 1 895 921 -26 884
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 24 2:00 PM
AVERAGE 57
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 104 2021
MINIMUM TEMPERATURE (F) 65 58 2013
SUNRISE AND SUNSET
AUGUST 1 2025........SUNRISE 6:02 AM PDT SUNSET 7:51 PM PDT
AUGUST 2 2025........SUNRISE 6:03 AM PDT SUNSET 7:50 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$