917
CDUS46 KSGX 080038
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
438 PM PST WED JAN 07 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 7 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 65 3:30 PM 81 2015 68 -3 67
MINIMUM 49 3:06 AM 38 2000 44 5 46
2024
AVERAGE 57 56 1 57
PRECIPITATION (IN)
TODAY 0.00 0.80 2005 0.09 -0.09 T
MONTH TO DATE 1.02 0.63 0.39 T
SINCE JUL 1 8.16 3.91 4.25 0.15
SINCE OCT 1 8.04 3.73 4.31 0.15
SINCE JAN 1 1.02 0.63 0.39 T
DEGREE DAYS
HEATING
TODAY 8 9 -1 8
MONTH TO DATE 50 67 -17 41
SINCE DEC 1 189 371 -182 237
SINCE JUL 1 300 533 -233 388
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE DEC 1 9 2 7 6
SINCE JAN 1 0 0 0 1
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 3:00 AM
LOWEST 50 3:00 PM
AVERAGE 68
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 87 1962
2007
MINIMUM TEMPERATURE (F) 44 33 2000
SUNRISE AND SUNSET
JANUARY 7 2026.......SUNRISE 6:57 AM PST SUNSET 4:57 PM PST
JANUARY 8 2026.......SUNRISE 6:57 AM PST SUNSET 4:58 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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