547
CDUS46 KSGX 140929
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
229 AM PDT TUE OCT 14 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 13 2025
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)
YESTERDAY
MAXIMUM 70 3:43 PM 100 1999 83 -13 82
2011
MINIMUM 58 3:58 AM 49 2000 58 0 57
AVERAGE 64 70 -6 70
PRECIPITATION (IN)
YESTERDAY 0.00 0.33 2007 0.01 -0.01 0.00
MONTH TO DATE T 0.12 -0.12 0.00
SINCE JUL 1 0.12 0.30 -0.18 T
SINCE OCT 1 T 0.12 -0.12 0.00
SINCE JAN 1 6.19 8.66 -2.47 16.29
DEGREE DAYS
HEATING
YESTERDAY 1 0 1 0
MONTH TO DATE 1 0 1 0
SINCE SEP 1 1 1 0 0
SINCE JUL 1 1 1 0 0
COOLING
YESTERDAY 0 6 -6 5
MONTH TO DATE 72 96 -24 185
SINCE SEP 1 472 474 -2 571
SINCE JAN 1 1861 1847 14 1945
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 4:00 AM
LOWEST 41 2:00 PM
AVERAGE 64
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 99 2020
MINIMUM TEMPERATURE (F) 58 48 2000
SUNRISE AND SUNSET
OCTOBER 14 2025.......SUNRISE 6:55 AM PDT SUNSET 6:17 PM PDT
OCTOBER 15 2025.......SUNRISE 6:56 AM PDT SUNSET 6:16 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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