311
CDUS46 KSGX 220007
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
507 PM PDT MON JUL 21 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 21 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 80 2:59 PM 106 2006 95 -15 99
MINIMUM 64 7:44 AM 58 2011 65 -1 71
AVERAGE 72 80 -8 85
PRECIPITATION (IN)
TODAY 0.00 T 2013 0.00 0.00 0.00
MONTH TO DATE 0.00 0.03 -0.03 0.00
SINCE JUL 1 0.00 0.03 -0.03 0.00
SINCE OCT 1 6.22 11.49 -5.27 17.64
SINCE JAN 1 6.07 8.39 -2.32 16.29
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 4 -4 2
SINCE JUL 1 0 0 0 0
COOLING
TODAY 7 15 -8 20
MONTH TO DATE 245 292 -47 347
SINCE JUN 1 533 542 -9 632
SINCE JAN 1 783 756 27 693
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 6:00 AM
LOWEST 49 3:00 PM
AVERAGE 68
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 114 2006
MINIMUM TEMPERATURE (F) 65 56 2001
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 5:54 AM PDT SUNSET 7:59 PM PDT
JULY 22 2025..........SUNRISE 5:55 AM PDT SUNSET 7:58 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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