041
CDUS46 KSGX 210018
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
518 PM PDT SUN JUL 20 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 20 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 87 3:07 PM 103 2016 95 -8 102
MINIMUM 64 4:44 AM 58 2001 65 -1 71
AVERAGE 76 80 -4 87
PRECIPITATION (IN)
TODAY 0.00 0.02 2015 0.01 -0.01 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 11 15 -4 22
MONTH TO DATE 238 277 -39 327
SINCE JUN 1 526 527 -1 612
SINCE JAN 1 776 741 35 673
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1:00 AM
LOWEST 24 8:00 AM
AVERAGE 56
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 106 2006
MINIMUM TEMPERATURE (F) 65 58 2011
SUNRISE AND SUNSET
JULY 20 2025..........SUNRISE 5:54 AM PDT SUNSET 8:00 PM PDT
JULY 21 2025..........SUNRISE 5:54 AM PDT SUNSET 7:59 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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