591
CDUS46 KSGX 210024
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
524 PM PDT THU AUG 20 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 20 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 100 2:55 PM 104 2020 95 5 99
2024
MINIMUM 70 6:08 AM 59 2006 65 5 68
AVERAGE 85 80 5 84
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 T 0.07 -0.07 0.00
SINCE OCT 1 12.08 11.53 0.55 6.22
SINCE JAN 1 5.06 8.43 -3.37 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 19
MONTH TO DATE 359 300 59 288
SINCE JUN 1 1127 992 135 921
SINCE JAN 1 1557 1206 351 1171
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 6:00 AM
LOWEST 25 3:00 PM
AVERAGE 48
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 103 2020
2025
MINIMUM TEMPERATURE (F) 65 57 2011
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 6:16 AM PDT SUNSET 7:31 PM PDT
AUGUST 21 2026........SUNRISE 6:16 AM PDT SUNSET 7:30 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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