Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 040923
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
223 AM PDT MON AUG 04 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 3 2025...
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)
YESTERDAY
MAXIMUM 94 3:02 PM 105 1998 95 -1 102
MINIMUM 61 5:31 AM 59 2013 65 -4 71
AVERAGE 78 80 -2 87
PRECIPITATION (IN)
YESTERDAY 0.00 0.04 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
YESTERDAY 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
YESTERDAY 13 15 -2 22
MONTH TO DATE 37 45 -8 61
SINCE JUN 1 670 737 -67 866
SINCE JAN 1 920 951 -31 927
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 6.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 5:00 AM
LOWEST 23 2:00 PM
AVERAGE 57
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 104 1998
MINIMUM TEMPERATURE (F) 65 58 2002
SUNRISE AND SUNSET
AUGUST 4 2025........SUNRISE 6:04 AM PDT SUNSET 7:48 PM PDT
AUGUST 5 2025........SUNRISE 6:05 AM PDT SUNSET 7:47 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$