National Weather Service Text Product
AFOS product CLIONT
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIONT
Product Timestamp: 2025-11-01 00:16 UTC
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737
CDUS46 KSGX 010016
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
516 PM PDT FRI OCT 31 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 31 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 82 2:59 PM 91 1999 80 2 73
2015
2020
MINIMUM 58 6:47 AM 41 2019 53 5 50
AVERAGE 70 66 4 62
PRECIPITATION (IN)
TODAY 0.00 0.18 2014 0.02 -0.02 0.00
MONTH TO DATE 1.08 0.41 0.67 0.06
SINCE JUL 1 1.20 0.59 0.61 0.06
SINCE OCT 1 1.08 0.41 0.67 0.06
SINCE JAN 1 7.27 8.95 -1.68 16.35
DEGREE DAYS
HEATING
TODAY 0 2 -2 3
MONTH TO DATE 14 23 -9 13
SINCE SEP 1 14 24 -10 13
SINCE JUL 1 14 24 -10 13
COOLING
TODAY 5 3 2 0
MONTH TO DATE 152 176 -24 267
SINCE SEP 1 552 554 -2 653
SINCE JAN 1 1941 1927 14 2027
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 2.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 60 7:00 AM
LOWEST 24 12:00 PM
AVERAGE 42
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 90 2020
MINIMUM TEMPERATURE (F) 53 41 2019
SUNRISE AND SUNSET
OCTOBER 31 2025.......SUNRISE 7:09 AM PDT SUNSET 5:58 PM PDT
NOVEMBER 1 2025......SUNRISE 7:10 AM PDT SUNSET 5:57 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$