308
CDUS46 KSGX 210927
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
227 AM PDT TUE JUL 21 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 20 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 92 12:08 PM 103 2016 95 -3 87
MINIMUM 71 3:48 AM 58 2001 65 6 64
AVERAGE 82 80 2 76
PRECIPITATION (IN)
YESTERDAY 0.00 0.02 2015 0.01 -0.01 0.00
MONTH TO DATE T 0.03 -0.03 0.00
SINCE JUL 1 T 0.03 -0.03 0.00
SINCE OCT 1 12.08 11.49 0.59 6.22
SINCE JAN 1 5.06 8.39 -3.33 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 11
MONTH TO DATE 299 277 22 238
SINCE JUN 1 559 527 32 526
SINCE JAN 1 989 741 248 776
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 5.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 12:00 AM
LOWEST 24 12:00 PM
AVERAGE 48
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 106 2006
MINIMUM TEMPERATURE (F) 65 58 2011
SUNRISE AND SUNSET
JULY 21 2026..........SUNRISE 5:54 AM PDT SUNSET 7:59 PM PDT
JULY 22 2026..........SUNRISE 5:55 AM PDT SUNSET 7:59 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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