433
CDUS46 KSGX 100031
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
531 PM PDT WED SEP 09 2026
...............................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 9 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 109R 2:42 PM 108 2024 93 16 86
MINIMUM 80 5:54 AM 55 2000 65 15 63
AVERAGE 95 79 16 75
PRECIPITATION (IN)
TODAY 0.00 T 2013 0.00 0.00 0.00
MONTH TO DATE 0.56 0.02 0.54 0.00
SINCE JUL 1 0.56 0.10 0.46 T
SINCE OCT 1 12.64 11.56 1.08 6.22
SINCE JAN 1 5.62 8.46 -2.84 6.07
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 30 14 16 10
MONTH TO DATE 134 131 3 159
SINCE SEP 1 134 131 3 159
SINCE JAN 1 1946 1504 442 1548
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 2.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 4:00 AM
LOWEST 18 3:00 PM
AVERAGE 40
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 93 100 2017
2021
2024
MINIMUM TEMPERATURE (F) 65 55 2008
SUNRISE AND SUNSET
SEPTEMBER 9 2026.....SUNRISE 6:30 AM PDT SUNSET 7:05 PM PDT
SEPTEMBER 10 2026.....SUNRISE 6:30 AM PDT SUNSET 7:04 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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