869
CDUS46 KSGX 010941
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
241 AM PDT SAT NOV 01 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 31 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 82 3:24 PM 91 1999 80 2 73
2015
2020
MINIMUM 58 6:47 AM 41 2019 53 5 50
AVERAGE 70 66 4 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.18 2014 0.02 -0.02 0.00
MONTH TO DATE 1.08 0.41 0.67 0.06
SINCE JUL 1 1.20 0.59 0.61 0.06
SINCE OCT 1 1.08 0.41 0.67 0.06
SINCE JAN 1 7.27 8.95 -1.68 16.35
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 3
MONTH TO DATE 14 23 -9 13
SINCE SEP 1 14 24 -10 13
SINCE JUL 1 14 24 -10 13
COOLING
YESTERDAY 5 3 2 0
MONTH TO DATE 152 176 -24 267
SINCE SEP 1 552 554 -2 653
SINCE JAN 1 1941 1927 14 2027
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WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 10:00 PM
LOWEST 24 12:00 PM
AVERAGE 53
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 90 2020
MINIMUM TEMPERATURE (F) 53 41 2019
SUNRISE AND SUNSET
NOVEMBER 1 2025......SUNRISE 7:10 AM PDT SUNSET 5:57 PM PDT
NOVEMBER 2 2025......SUNRISE 6:11 AM PST SUNSET 4:56 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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