Climatological Report (Daily)
Issued by NWS
Issued by NWS
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005
CDUS46 KSGX 130031
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
531 PM PDT SUN OCT 12 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 12 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 82 2:34 PM 100 2011 83 -1 88
2020
MINIMUM 56 6:24 AM 48 2008 58 -2 58
AVERAGE 69 71 -2 73
PRECIPITATION (IN)
TODAY 0.00 0.39 2018 0.02 -0.02 0.00
MONTH TO DATE T 0.11 -0.11 0.00
SINCE JUL 1 0.12 0.29 -0.17 T
SINCE OCT 1 T 0.11 -0.11 0.00
SINCE JAN 1 6.19 8.65 -2.46 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 6 -2 8
MONTH TO DATE 72 90 -18 180
SINCE SEP 1 472 468 4 566
SINCE JAN 1 1861 1841 20 1940
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 2:00 AM
LOWEST 32 2:00 PM
AVERAGE 55
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 100 1999
2011
MINIMUM TEMPERATURE (F) 58 49 2000
SUNRISE AND SUNSET
OCTOBER 12 2025.......SUNRISE 6:54 AM PDT SUNSET 6:20 PM PDT
OCTOBER 13 2025.......SUNRISE 6:54 AM PDT SUNSET 6:18 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$