766
CDUS46 KSGX 180035
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
535 PM PDT THU SEP 17 2026
...............................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 17 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 83 3:36 PM 102 2000 91 -8 97
2020
MINIMUM 67 6:33 AM 55 2010 64 3 70
2024
AVERAGE 75 78 -3 84
PRECIPITATION (IN)
TODAY 0.00 T 2023 0.00 0.00 0.00
MONTH TO DATE 0.56 0.04 0.52 0.00
SINCE JUL 1 0.56 0.12 0.44 T
SINCE OCT 1 12.64 11.58 1.06 6.22
SINCE JAN 1 5.62 8.48 -2.86 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 10 13 -3 19
MONTH TO DATE 257 238 19 253
SINCE SEP 1 257 238 19 253
SINCE JAN 1 2069 1611 458 1642
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 12:00 AM
LOWEST 38 3:00 PM
AVERAGE 59
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 91 106 2016
MINIMUM TEMPERATURE (F) 64 55 2010
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 6:35 AM PDT SUNSET 6:54 PM PDT
SEPTEMBER 18 2026.....SUNRISE 6:36 AM PDT SUNSET 6:53 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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