822
CDUS46 KSGX 260941
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
241 AM PDT SUN OCT 26 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 25 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 75 3:01 PM 99 2017 81 -6 87
MINIMUM 56 6:34 AM 51 1998 55 1 58
2012
AVERAGE 66 68 -2 73
PRECIPITATION (IN)
YESTERDAY 0.00 0.18 2010 0.01 -0.01 0.00
MONTH TO DATE 1.08 0.30 0.78 T
SINCE JUL 1 1.20 0.48 0.72 T
SINCE OCT 1 1.08 0.30 0.78 T
SINCE JAN 1 7.27 8.84 -1.57 16.29
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 12 12 0 3
SINCE SEP 1 12 13 -1 3
SINCE JUL 1 12 13 -1 3
COOLING
YESTERDAY 1 4 -3 8
MONTH TO DATE 113 154 -41 249
SINCE SEP 1 513 532 -19 635
SINCE JAN 1 1902 1905 -3 2009
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 6:00 AM
LOWEST 52 4:00 PM
AVERAGE 76
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 95 2017
MINIMUM TEMPERATURE (F) 55 47 1998
SUNRISE AND SUNSET
OCTOBER 26 2025.......SUNRISE 7:05 AM PDT SUNSET 6:03 PM PDT
OCTOBER 27 2025.......SUNRISE 7:06 AM PDT SUNSET 6:02 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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