Climatological Report (Daily)
Issued by NWS
Issued by NWS
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309
CDUS46 KSGX 030931
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
231 AM PDT FRI OCT 03 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 2 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 84 2:48 PM 105 2020 86 -2 103
MINIMUM 61 5:58 AM 52 2023 61 0 67
AVERAGE 73 73 0 85
PRECIPITATION (IN)
YESTERDAY 0.00 T 2010 0.00 0.00 0.00
2010
2018
MONTH TO DATE 0.00 0.01 -0.01 0.00
SINCE JUL 1 0.12 0.19 -0.07 T
SINCE OCT 1 0.00 0.01 -0.01 0.00
SINCE JAN 1 6.19 8.55 -2.36 16.29
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 8 9 -1 20
MONTH TO DATE 14 18 -4 38
SINCE SEP 1 414 396 18 424
SINCE JAN 1 1803 1769 34 1798
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 3:00 AM
LOWEST 31 3:00 PM
AVERAGE 61
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 101 2020
MINIMUM TEMPERATURE (F) 60 50 2002
SUNRISE AND SUNSET
OCTOBER 3 2025.......SUNRISE 6:47 AM PDT SUNSET 6:31 PM PDT
OCTOBER 4 2025.......SUNRISE 6:47 AM PDT SUNSET 6:30 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$