565
CDUS46 KSGX 010017
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
517 PM PDT FRI JUL 31 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 31 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 102 2:34 PM 105 2020 95 7 94
MINIMUM 67 5:45 AM 59 2010 65 2 64
2013
AVERAGE 85 80 5 79
PRECIPITATION (IN)
TODAY 0.00 0.34 2011 0.00 0.00 0.00
MONTH TO DATE T 0.05 -0.05 0.00
SINCE JUL 1 T 0.05 -0.05 0.00
SINCE OCT 1 12.08 11.51 0.57 6.22
SINCE JAN 1 5.06 8.41 -3.35 6.07
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 4 -4 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 20 15 5 14
MONTH TO DATE 508 442 66 345
SINCE JUN 1 768 692 76 633
SINCE JAN 1 1198 906 292 883
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 5:00 AM
LOWEST 17 2:00 PM
AVERAGE 51
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 104 2017
MINIMUM TEMPERATURE (F) 65 58 2010
SUNRISE AND SUNSET
JULY 31 2026..........SUNRISE 6:01 AM PDT SUNSET 7:52 PM PDT
AUGUST 1 2026........SUNRISE 6:02 AM PDT SUNSET 7:51 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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