821
CDUS46 KSGX 220918
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
218 AM PDT SAT AUG 22 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 21 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 102 2:10 PM 103 2020 95 7 103
2025
MINIMUM 75 6:23 AM 57 2011 65 10 74
AVERAGE 89 80 9 89
PRECIPITATION (IN)
YESTERDAY 0.00 0.23 2023 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
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 24 15 9 24
MONTH TO DATE 383 315 68 312
SINCE JUN 1 1151 1007 144 945
SINCE JAN 1 1581 1221 360 1195
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 64 5:00 AM
LOWEST 20 3:00 PM
AVERAGE 42
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 104 1998
MINIMUM TEMPERATURE (F) 65 59 2002
SUNRISE AND SUNSET
AUGUST 22 2026........SUNRISE 6:17 AM PDT SUNSET 7:29 PM PDT
AUGUST 23 2026........SUNRISE 6:18 AM PDT SUNSET 7:28 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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