750
CDUS46 KSGX 231025
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
225 AM PST FRI JAN 23 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 22 2026
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)
YESTERDAY
MAXIMUM 61 11:39 AM 81 2013 68 -7 79
MINIMUM 53 7:06 AM 36 2013 45 8 42
2018
2023
AVERAGE 57 56 1 61
PRECIPITATION (IN)
YESTERDAY T 1.91 2017 0.08 -0.08 0.00
MONTH TO DATE 1.02 1.91 -0.89 T
SINCE JUL 1 8.16 5.19 2.97 0.15
SINCE OCT 1 8.04 5.01 3.03 0.15
SINCE JAN 1 1.02 1.91 -0.89 T
DEGREE DAYS
HEATING
YESTERDAY 8 9 -1 4
MONTH TO DATE 122 202 -80 168
SINCE DEC 1 261 506 -245 364
SINCE JUL 1 372 668 -296 515
COOLING
YESTERDAY 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 2 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 11:00 PM
LOWEST 64 12:00 AM
AVERAGE 81
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 80 2013
2014
MINIMUM TEMPERATURE (F) 45 36 2002
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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