Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 050030
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
530 PM PDT SAT OCT 04 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 4 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 79 2:34 PM 102 2014 85 -6 95
MINIMUM 57 5:57 AM 51 2009 60 -3 64
AVERAGE 68 73 -5 80
PRECIPITATION (IN)
TODAY 0.00 T 2011 0.01 -0.01 0.00
2018
2021
MONTH TO DATE 0.00 0.03 -0.03 0.00
SINCE JUL 1 0.12 0.21 -0.09 T
SINCE OCT 1 0.00 0.03 -0.03 0.00
SINCE JAN 1 6.19 8.57 -2.38 16.29
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 1 -1 0
SINCE JUL 1 0 1 -1 0
COOLING
TODAY 3 8 -5 15
MONTH TO DATE 21 34 -13 70
SINCE SEP 1 421 412 9 456
SINCE JAN 1 1810 1785 25 1830
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 3.9
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 93 5:00 AM
LOWEST 35 3:00 PM
AVERAGE 64
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 100 2014
MINIMUM TEMPERATURE (F) 60 50 2009
SUNRISE AND SUNSET
OCTOBER 4 2025.......SUNRISE 6:47 AM PDT SUNSET 6:30 PM PDT
OCTOBER 5 2025.......SUNRISE 6:48 AM PDT SUNSET 6:29 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$