864
CDUS46 KSGX 020036
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
436 PM PST THU JAN 01 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 1 2026
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 63 3:59 PM 84 2012 67 -4 75
MINIMUM 54 2:13 AM 31 2015 44 10 42
2016
AVERAGE 59 55 4 59
PRECIPITATION (IN)
TODAY 0.86R 0.22 2023 0.09 0.77 0.00
MONTH TO DATE 0.86 0.09 0.77 0.00
SINCE JUL 1 8.00 3.37 4.63 0.15
SINCE OCT 1 7.88 3.19 4.69 0.15
SINCE JAN 1 0.86 0.09 0.77 0.00
DEGREE DAYS
HEATING
TODAY 6 10 -4 6
MONTH TO DATE 6 10 -4 6
SINCE DEC 1 145 314 -169 202
SINCE JUL 1 256 476 -220 353
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 9 2 7 5
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SE (130)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 4.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 9:00 AM
LOWEST 80 3:00 PM
AVERAGE 89
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 85 2025
MINIMUM TEMPERATURE (F) 44 30 2015
SUNRISE AND SUNSET
JANUARY 1 2026.......SUNRISE 6:56 AM PST SUNSET 4:52 PM PST
JANUARY 2 2026.......SUNRISE 6:56 AM PST SUNSET 4:53 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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