Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 160928
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
228 AM PDT THU OCT 16 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 15 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 68 4:16 PM 100 2020 83 -15 74
MINIMUM 54 11:59 PM 50 2000 57 -3 60
2017
AVERAGE 61 70 -9 67
PRECIPITATION (IN)
YESTERDAY T R T 2010 0.02 -0.02 0.00
MONTH TO DATE 1.08 0.15 0.93 0.00
SINCE JUL 1 1.20 0.33 0.87 T
SINCE OCT 1 1.08 0.15 0.93 0.00
SINCE JAN 1 7.27 8.69 -1.42 16.29
DEGREE DAYS
HEATING
YESTERDAY 4 1 3 0
MONTH TO DATE 12 2 10 0
SINCE SEP 1 12 3 9 0
SINCE JUL 1 12 3 9 0
COOLING
YESTERDAY 0 6 -6 2
MONTH TO DATE 72 108 -36 190
SINCE SEP 1 472 486 -14 576
SINCE JAN 1 1861 1859 2 1950
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 3.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 43 3:00 PM
AVERAGE 67
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 102 2020
MINIMUM TEMPERATURE (F) 57 51 1998
SUNRISE AND SUNSET
OCTOBER 16 2025.......SUNRISE 6:57 AM PDT SUNSET 6:15 PM PDT
OCTOBER 17 2025.......SUNRISE 6:57 AM PDT SUNSET 6:13 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$