646
CDUS46 KSGX 230024
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
524 PM PDT WED OCT 22 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 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 74 1:56 PM 100 2003 81 -7 92
MINIMUM 57 5:54 AM 50 2004 56 1 60
AVERAGE 66 68 -2 76
PRECIPITATION (IN)
TODAY 0.00 0.03 2010 0.02 -0.02 0.00
MONTH TO DATE 1.08 0.26 0.82 T
SINCE JUL 1 1.20 0.44 0.76 T
SINCE OCT 1 1.08 0.26 0.82 T
SINCE JAN 1 7.27 8.80 -1.53 16.29
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 12 9 3 3
SINCE SEP 1 12 10 2 3
SINCE JUL 1 12 10 2 3
COOLING
TODAY 1 4 -3 11
MONTH TO DATE 106 142 -36 221
SINCE SEP 1 506 520 -14 607
SINCE JAN 1 1895 1893 2 1981
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 38 1:00 PM
AVERAGE 66
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 104 2017
MINIMUM TEMPERATURE (F) 55 50 2004
SUNRISE AND SUNSET
OCTOBER 22 2025.......SUNRISE 7:02 AM PDT SUNSET 6:08 PM PDT
OCTOBER 23 2025.......SUNRISE 7:02 AM PDT SUNSET 6:06 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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