024
CDUS46 KSGX 310018
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
518 PM PDT THU OCT 30 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 30 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 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)
TODAY 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
TODAY 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
TODAY 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 1 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 40 2:00 AM
LOWEST 11 1:00 PM
AVERAGE 26
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 91 1999
2015
2020
MINIMUM TEMPERATURE (F) 53 41 2019
SUNRISE AND SUNSET
OCTOBER 30 2025.......SUNRISE 7:09 AM PDT SUNSET 5:59 PM PDT
OCTOBER 31 2025.......SUNRISE 7:09 AM PDT SUNSET 5:58 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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