915
CDUS46 KSGX 210930
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
230 AM PDT TUE OCT 21 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 20 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 87 3:28 PM 101 2003 82 5 85
MINIMUM 56 5:33 AM 49 2002 56 0 55
AVERAGE 72 69 3 70
PRECIPITATION (IN)
YESTERDAY 0.00 1.97 2004 0.02 -0.02 0.00
MONTH TO DATE 1.08 0.23 0.85 T
SINCE JUL 1 1.20 0.41 0.79 T
SINCE OCT 1 1.08 0.23 0.85 T
SINCE JAN 1 7.27 8.77 -1.50 16.29
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 12 7 5 3
SINCE SEP 1 12 8 4 3
SINCE JUL 1 12 8 4 3
COOLING
YESTERDAY 7 5 2 5
MONTH TO DATE 96 133 -37 202
SINCE SEP 1 496 511 -15 588
SINCE JAN 1 1885 1884 1 1962
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WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 2.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 2:00 AM
LOWEST 15 3:00 PM
AVERAGE 42
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 101 2003
MINIMUM TEMPERATURE (F) 56 50 2004
SUNRISE AND SUNSET
OCTOBER 21 2025.......SUNRISE 7:01 AM PDT SUNSET 6:09 PM PDT
OCTOBER 22 2025.......SUNRISE 7:02 AM PDT SUNSET 6:08 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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