712
CDUS46 KSGX 310921
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
221 AM PDT FRI OCT 31 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 30 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 92R 2:03 PM 91 1999 80 12 74
MINIMUM 61 4:14 AM 44 2019 54 7 49
AVERAGE 77 67 10 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.04 2010 0.02 -0.02 0.00
MONTH TO DATE 1.08 0.39 0.69 0.06
SINCE JUL 1 1.20 0.57 0.63 0.06
SINCE OCT 1 1.08 0.39 0.69 0.06
SINCE JAN 1 7.27 8.93 -1.66 16.35
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 3
MONTH TO DATE 14 21 -7 10
SINCE SEP 1 14 22 -8 10
SINCE JUL 1 14 22 -8 10
COOLING
YESTERDAY 12 3 9 0
MONTH TO DATE 147 173 -26 267
SINCE SEP 1 547 551 -4 653
SINCE JAN 1 1936 1924 12 2027
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 4.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 44 10:00 PM
LOWEST 11 1:00 PM
AVERAGE 28
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 91 1999
2015
2020
MINIMUM TEMPERATURE (F) 53 41 2019
SUNRISE AND SUNSET
OCTOBER 31 2025.......SUNRISE 7:09 AM PDT SUNSET 5:58 PM PDT
NOVEMBER 1 2025......SUNRISE 7:10 AM PDT SUNSET 5:57 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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