042
CDUS46 KSGX 061027
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
227 AM PST TUE JAN 06 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 5 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 63 3:00 PM 83 2006 67 -4 76
MINIMUM 52 2:38 AM 34 2009 44 8 43
2011
AVERAGE 58 56 2 60
PRECIPITATION (IN)
YESTERDAY MM 0.87 2023 0.09 MM 0.00
MONTH TO DATE 1.02 0.46 0.56 0.00
SINCE JUL 1 8.16 3.74 4.42 0.15
SINCE OCT 1 8.04 3.56 4.48 0.15
SINCE JAN 1 1.02 0.46 0.56 0.00
DEGREE DAYS
HEATING
YESTERDAY 7 9 -2 5
MONTH TO DATE 34 49 -15 29
SINCE DEC 1 173 353 -180 225
SINCE JUL 1 284 515 -231 376
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 3 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 60 2:00 PM
AVERAGE 80
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 85 2015
MINIMUM TEMPERATURE (F) 44 37 2004
2024
SUNRISE AND SUNSET
JANUARY 6 2026.......SUNRISE 6:57 AM PST SUNSET 4:56 PM PST
JANUARY 7 2026.......SUNRISE 6:57 AM PST SUNSET 4:57 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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