853
CDUS46 KSGX 260020
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
520 PM PDT FRI JUL 25 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 25 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 85 2:11 PM 104 2018 95 -10 100
MINIMUM 59 4:27 AM 57 1999 65 -6 72
AVERAGE 72 80 -8 86
PRECIPITATION (IN)
TODAY 0.00 T 2013 0.01 -0.01 0.00
2019
2021
MONTH TO DATE 0.00 0.04 -0.04 0.00
SINCE JUL 1 0.00 0.04 -0.04 0.00
SINCE OCT 1 6.22 11.50 -5.28 17.64
SINCE JAN 1 6.07 8.40 -2.33 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 21
MONTH TO DATE 282 352 -70 430
SINCE JUN 1 570 602 -32 715
SINCE JAN 1 820 816 4 776
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 6:00 AM
LOWEST 29 1:00 PM
AVERAGE 55
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 103 2006
2019
MINIMUM TEMPERATURE (F) 65 58 1999
2012
SUNRISE AND SUNSET
JULY 25 2025..........SUNRISE 5:57 AM PDT SUNSET 7:56 PM PDT
JULY 26 2025..........SUNRISE 5:58 AM PDT SUNSET 7:56 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page