Climatological Report (Daily)
Issued by NWS
Issued by NWS
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334
CDUS46 KSGX 090014
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
514 PM PDT WED OCT 08 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 8 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 81 2:37 PM 98 2008 84 -3 96
MINIMUM 56 5:32 AM 50 2011 59 -3 65
AVERAGE 69 72 -3 81
PRECIPITATION (IN)
TODAY 0.00 0.06 2021 0.01 -0.01 0.00
MONTH TO DATE 0.00 0.06 -0.06 0.00
SINCE JUL 1 0.12 0.24 -0.12 T
SINCE OCT 1 0.00 0.06 -0.06 0.00
SINCE JAN 1 6.19 8.60 -2.41 16.29
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 1 -1 0
SINCE JUL 1 0 1 -1 0
COOLING
TODAY 4 7 -3 16
MONTH TO DATE 40 64 -24 137
SINCE SEP 1 440 442 -2 523
SINCE JAN 1 1829 1815 14 1897
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 4.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 44 2:00 PM
AVERAGE 72
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 103 2015
MINIMUM TEMPERATURE (F) 59 49 2013
SUNRISE AND SUNSET
OCTOBER 8 2025.......SUNRISE 6:50 AM PDT SUNSET 6:25 PM PDT
OCTOBER 9 2025.......SUNRISE 6:51 AM PDT SUNSET 6:23 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$