469
CDUS46 KSGX 031034
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
234 AM PST WED DEC 03 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 2 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 69 1:59 PM 81 2020 69 0 75
MINIMUM 44 7:03 AM 31 2004 45 -1 47
AVERAGE 57 57 0 61
PRECIPITATION (IN)
YESTERDAY 0.00 1.32 2014 0.05 -0.05 0.00
MONTH TO DATE 0.00 0.09 -0.09 0.00
SINCE JUL 1 5.21 1.48 3.73 0.15
SINCE OCT 1 5.09 1.30 3.79 0.15
SINCE JAN 1 11.28 9.84 1.44 16.44
DEGREE DAYS
HEATING
YESTERDAY 8 8 0 4
MONTH TO DATE 12 16 -4 5
SINCE DEC 1 12 16 -4 5
SINCE JUL 1 123 178 -55 156
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 2005 1967 38 2027
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 3.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 22 1:00 PM
AVERAGE 58
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 78 2007
MINIMUM TEMPERATURE (F) 45 37 2004
SUNRISE AND SUNSET
DECEMBER 3 2025......SUNRISE 6:40 AM PST SUNSET 4:41 PM PST
DECEMBER 4 2025......SUNRISE 6:41 AM PST SUNSET 4:41 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page