577
CDUS46 KSGX 240019
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
419 PM PST FRI JAN 23 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 23 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 64 1:55 PM 80 2013 68 -4 78
2014
MINIMUM 53 7:13 AM 36 2002 45 8 49
AVERAGE 59 56 3 64
PRECIPITATION (IN)
TODAY 0.00 0.87 2017 0.08 -0.08 0.00
MONTH TO DATE 1.02 1.99 -0.97 T
SINCE JUL 1 8.16 5.27 2.89 0.15
SINCE OCT 1 8.04 5.09 2.95 0.15
SINCE JAN 1 1.02 1.99 -0.97 T
DEGREE DAYS
HEATING
TODAY 6 9 -3 1
MONTH TO DATE 128 211 -83 169
SINCE DEC 1 267 515 -248 365
SINCE JUL 1 378 677 -299 516
COOLING
TODAY 0 0 0 0
MONTH TO DATE 3 0 3 1
SINCE DEC 1 12 2 10 6
SINCE JAN 1 3 0 3 1
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 12:00 AM
LOWEST 63 2:00 PM
AVERAGE 80
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 77 2007
2015
MINIMUM TEMPERATURE (F) 45 35 2002
2023
SUNRISE AND SUNSET
JANUARY 23 2026.......SUNRISE 6:53 AM PST SUNSET 5:12 PM PST
JANUARY 24 2026.......SUNRISE 6:52 AM PST SUNSET 5:13 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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