242
CDUS46 KSGX 290027
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
527 PM PDT TUE OCT 28 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 28 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 96 3:06 PM 97 2008 80 16 72
MINIMUM 56 5:51 AM 47 2010 54 2 55
2011
AVERAGE 76 67 9 64
PRECIPITATION (IN)
TODAY 0.00 0.11 2013 0.02 -0.02 0.06
MONTH TO DATE 1.08 0.36 0.72 0.06
SINCE JUL 1 1.20 0.54 0.66 0.06
SINCE OCT 1 1.08 0.36 0.72 0.06
SINCE JAN 1 7.27 8.90 -1.63 16.35
DEGREE DAYS
HEATING
TODAY 0 2 -2 1
MONTH TO DATE 14 17 -3 4
SINCE SEP 1 14 18 -4 4
SINCE JUL 1 14 18 -4 4
COOLING
TODAY 11 4 7 0
MONTH TO DATE 124 166 -42 267
SINCE SEP 1 524 544 -20 653
SINCE JAN 1 1913 1917 -4 2027
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (30)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 4:00 AM
LOWEST 8 1:00 PM
AVERAGE 48
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 2008
MINIMUM TEMPERATURE (F) 54 43 2009
SUNRISE AND SUNSET
OCTOBER 28 2025.......SUNRISE 7:07 AM PDT SUNSET 6:01 PM PDT
OCTOBER 29 2025.......SUNRISE 7:08 AM PDT SUNSET 6:00 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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