475
CDUS46 KSGX 111029
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
229 AM PST SUN JAN 11 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 10 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 68 3:29 PM 78 1999 68 0 69
2004
MINIMUM 46 11:31 PM 37 2024 44 2 49
AVERAGE 57 56 1 59
PRECIPITATION (IN)
YESTERDAY 0.00 1.57 2005 0.09 -0.09 0.00
MONTH TO DATE 1.02 0.89 0.13 T
SINCE JUL 1 8.16 4.17 3.99 0.15
SINCE OCT 1 8.04 3.99 4.05 0.15
SINCE JAN 1 1.02 0.89 0.13 T
DEGREE DAYS
HEATING
YESTERDAY 8 9 -1 6
MONTH TO DATE 80 94 -14 61
SINCE DEC 1 219 398 -179 257
SINCE JUL 1 330 560 -230 408
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE DEC 1 9 2 7 6
SINCE JAN 1 0 0 0 1
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 42 11:00 PM
LOWEST 17 1:00 AM
AVERAGE 30
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 83 1983
2009
MINIMUM TEMPERATURE (F) 45 32 2013
SUNRISE AND SUNSET
JANUARY 11 2026.......SUNRISE 6:56 AM PST SUNSET 5:01 PM PST
JANUARY 12 2026.......SUNRISE 6:56 AM PST SUNSET 5:02 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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