953
CDUS46 KSGX 281020
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
220 AM PST SUN DEC 28 2025
...............................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 27 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 60 3:02 PM 81 2013 67 -7 60
MINIMUM 45 11:38 PM 32 2003 44 1 47
AVERAGE 53 55 -2 54
PRECIPITATION (IN)
YESTERDAY 0.00 1.05 2021 0.08 -0.08 0.00
MONTH TO DATE 1.63 1.60 0.03 T
SINCE JUL 1 6.84 2.99 3.85 0.15
SINCE OCT 1 6.72 2.81 3.91 0.15
SINCE JAN 1 12.91 11.35 1.56 16.44
DEGREE DAYS
HEATING
YESTERDAY 12 10 2 11
MONTH TO DATE 108 261 -153 160
SINCE DEC 1 108 261 -153 160
SINCE JUL 1 219 423 -204 311
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 9 0 9 5
SINCE DEC 1 9 0 9 5
SINCE JAN 1 2014 1967 47 2032
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 2.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 12:00 AM
LOWEST 51 2:00 PM
AVERAGE 74
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 84 2017
MINIMUM TEMPERATURE (F) 44 31 2003
2015
SUNRISE AND SUNSET
DECEMBER 28 2025......SUNRISE 6:55 AM PST SUNSET 4:50 PM PST
DECEMBER 29 2025......SUNRISE 6:55 AM PST SUNSET 4:50 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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