323
CDUS46 KSGX 311339
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
639 AM PDT FRI JUL 31 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 30 2026
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)
YESTERDAY
MAXIMUM 97 2:46 PM 102 2020 95 2 92
2021
MINIMUM 66 5:09 AM 60 2010 65 1 64
2013
AVERAGE 82 80 2 78
PRECIPITATION (IN)
YESTERDAY 0.00 0.00 MM 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
YESTERDAY 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
YESTERDAY 17 15 2 13
MONTH TO DATE 488 427 61 331
SINCE JUN 1 748 677 71 619
SINCE JAN 1 1178 891 287 869
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 12:00 AM
LOWEST 30 3:00 PM
AVERAGE 59
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 105 2020
MINIMUM TEMPERATURE (F) 65 59 2010
2013
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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