029
CDUS46 KSGX 251017
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
217 AM PST SUN JAN 25 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 24 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 64 3:40 PM 77 2007 68 -4 74
2015
MINIMUM 48 11:06 PM 35 2002 45 3 44
2023
AVERAGE 56 56 0 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.33 2013 0.07 -0.07 0.00
MONTH TO DATE 1.02 2.06 -1.04 T
SINCE JUL 1 8.16 5.34 2.82 0.15
SINCE OCT 1 8.04 5.16 2.88 0.15
SINCE JAN 1 1.02 2.06 -1.04 T
DEGREE DAYS
HEATING
YESTERDAY 9 9 0 6
MONTH TO DATE 137 220 -83 175
SINCE DEC 1 276 524 -248 371
SINCE JUL 1 387 686 -299 522
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 3 0 3 1
SINCE DEC 1 12 2 10 6
SINCE JAN 1 3 0 3 1
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 12:00 AM
LOWEST 58 2:00 PM
AVERAGE 74
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 83 2003
MINIMUM TEMPERATURE (F) 45 35 2017
SUNRISE AND SUNSET
JANUARY 25 2026.......SUNRISE 6:52 AM PST SUNSET 5:14 PM PST
JANUARY 26 2026.......SUNRISE 6:51 AM PST SUNSET 5:15 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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