296
CDUS46 KSGX 280921
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
221 AM PDT FRI AUG 28 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 27 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 100 3:12 PM 108 2009 95 5 98
MINIMUM 79 6:01 AM 60 2002 65 14 69
2016
AVERAGE 90 80 10 84
PRECIPITATION (IN)
YESTERDAY 0.00 T 2018 0.01 -0.01 0.00
2018
2020
MONTH TO DATE 0.00 0.03 -0.03 T
SINCE JUL 1 T 0.08 -0.08 T
SINCE OCT 1 12.08 11.54 0.54 6.22
SINCE JAN 1 5.06 8.44 -3.38 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 25 15 10 19
MONTH TO DATE 531 405 126 433
SINCE JUN 1 1299 1097 202 1066
SINCE JAN 1 1729 1311 418 1316
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 6.1
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 61 11:00 PM
LOWEST 29 11:00 AM
AVERAGE 45
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 110 2017
MINIMUM TEMPERATURE (F) 65 59 2010
SUNRISE AND SUNSET
AUGUST 28 2026........SUNRISE 6:21 AM PDT SUNSET 7:21 PM PDT
AUGUST 29 2026........SUNRISE 6:22 AM PDT SUNSET 7:20 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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