736
CDUS46 KSGX 290920
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
220 AM PDT WED APR 29 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR APRIL 28 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 77 3:02 PM 97 2008 78 -1 71
MINIMUM 49 5:03 AM 45 2002 53 -4 51
AVERAGE 63 65 -2 61
PRECIPITATION (IN)
YESTERDAY 0.00 0.72 2005 0.02 -0.02 0.00
MONTH TO DATE 0.64 0.73 -0.09 0.26
SINCE JUL 1 11.99 11.29 0.70 5.87
SINCE OCT 1 11.87 11.11 0.76 5.87
SINCE JAN 1 4.85 8.01 -3.16 5.72
DEGREE DAYS
HEATING
YESTERDAY 2 3 -1 4
MONTH TO DATE 38 100 -62 107
SINCE MAR 1 56 272 -216 344
SINCE JUL 1 620 1246 -626 1102
COOLING
YESTERDAY 0 3 -3 0
MONTH TO DATE 60 51 9 43
SINCE MAR 1 270 74 196 56
SINCE JAN 1 313 87 226 75
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 1:00 AM
LOWEST 23 2:00 PM
AVERAGE 47
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 97 2021
MINIMUM TEMPERATURE (F) 53 42 1999
SUNRISE AND SUNSET
APRIL 29 2026.........SUNRISE 6:03 AM PDT SUNSET 7:33 PM PDT
APRIL 30 2026.........SUNRISE 6:02 AM PDT SUNSET 7:34 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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