522
CDUS46 KSGX 200018
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
518 PM PDT SAT JUL 19 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 19 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 2:25 PM 105 2009 94 -7 99
MINIMUM 63 5:16 AM 59 2001 65 -2 67
AVERAGE 75 80 -5 83
PRECIPITATION (IN)
TODAY 0.00 T 2014 0.00 0.00 0.00
MONTH TO DATE 0.00 0.02 -0.02 0.00
SINCE JUL 1 0.00 0.02 -0.02 0.00
SINCE OCT 1 6.22 11.48 -5.26 17.64
SINCE JAN 1 6.07 8.38 -2.31 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 10 15 -5 18
MONTH TO DATE 227 262 -35 305
SINCE JUN 1 515 512 3 590
SINCE JAN 1 765 726 39 651
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 6.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 4:00 AM
LOWEST 43 2:00 PM
AVERAGE 65
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 103 2016
MINIMUM TEMPERATURE (F) 65 58 2001
SUNRISE AND SUNSET
JULY 19 2025..........SUNRISE 5:53 AM PDT SUNSET 8:00 PM PDT
JULY 20 2025..........SUNRISE 5:54 AM PDT SUNSET 8:00 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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