771
CDUS46 KSGX 040935
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
235 AM PDT MON MAY 04 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 3 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 70 1:18 PM 103 1970 78 -8 65
2004
MINIMUM 57 11:59 PM 48 2023 54 3 56
AVERAGE 64 66 -2 61
PRECIPITATION (IN)
YESTERDAY T 0.42 2003 0.02 -0.02 0.00
MONTH TO DATE T 0.05 -0.05 0.00
SINCE JUL 1 11.99 11.37 0.62 5.87
SINCE OCT 1 11.87 11.19 0.68 5.87
SINCE JAN 1 4.85 8.09 -3.24 5.72
DEGREE DAYS
HEATING
YESTERDAY 1 2 -1 4
MONTH TO DATE 1 6 -5 4
SINCE MAR 1 57 283 -226 348
SINCE JUL 1 621 1257 -636 1106
COOLING
YESTERDAY 0 3 -3 0
MONTH TO DATE 8 9 -1 1
SINCE MAR 1 280 89 191 58
SINCE JAN 1 323 102 221 77
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 AM
LOWEST 47 4:00 PM
AVERAGE 72
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 2004
MINIMUM TEMPERATURE (F) 54 46 2001
SUNRISE AND SUNSET
MAY 4 2026...........SUNRISE 5:58 AM PDT SUNSET 7:37 PM PDT
MAY 5 2026...........SUNRISE 5:57 AM PDT SUNSET 7:38 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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