505
CDUS46 KSGX 230024
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
424 PM PST MON DEC 22 2025
...............................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 22 2025...
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 76 2:18 PM 77 2014 66 10 67
MINIMUM 50 5:15 AM 28 1998 43 7 49
AVERAGE 63 55 8 58
PRECIPITATION (IN)
TODAY 0.00 1.21 2010 0.05 -0.05 0.00
MONTH TO DATE 0.00 1.26 -1.26 0.00
SINCE JUL 1 5.21 2.65 2.56 0.15
SINCE OCT 1 5.09 2.47 2.62 0.15
SINCE JAN 1 11.28 11.01 0.27 16.44
DEGREE DAYS
HEATING
TODAY 2 10 -8 7
MONTH TO DATE 69 211 -142 113
SINCE DEC 1 69 211 -142 113
SINCE JUL 1 180 373 -193 264
COOLING
TODAY 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 1 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 1.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 4:00 AM
LOWEST 34 3:00 PM
AVERAGE 57
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 81 2014
MINIMUM TEMPERATURE (F) 43 28 1998
SUNRISE AND SUNSET
DECEMBER 22 2025......SUNRISE 6:53 AM PST SUNSET 4:46 PM PST
DECEMBER 23 2025......SUNRISE 6:53 AM PST SUNSET 4:46 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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