904
CDUS46 KSGX 140021
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
521 PM PDT THU AUG 13 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 13 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 87 2:18 PM 105 2012 95 -8 90
MINIMUM 68 6:04 AM 59 2010 65 3 64
AVERAGE 78 80 -2 77
PRECIPITATION (IN)
TODAY 0.00 0.00 MM 0.00 0.00 0.00
MONTH TO DATE 0.00 0.01 -0.01 0.00
SINCE JUL 1 T 0.06 -0.06 0.00
SINCE OCT 1 12.08 11.52 0.56 6.22
SINCE JAN 1 5.06 8.42 -3.36 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 13 15 -2 12
MONTH TO DATE 239 195 44 197
SINCE JUN 1 1007 887 120 830
SINCE JAN 1 1437 1101 336 1080
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 2:00 AM
LOWEST 39 2:00 PM
AVERAGE 60
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 105 2003
2015
2020
MINIMUM TEMPERATURE (F) 65 57 2010
SUNRISE AND SUNSET
AUGUST 13 2026........SUNRISE 6:11 AM PDT SUNSET 7:39 PM PDT
AUGUST 14 2026........SUNRISE 6:11 AM PDT SUNSET 7:38 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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