080
CDUS46 KSGX 090025
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
425 PM PST THU JAN 08 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 8 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 61 3:16 PM 87 1962 68 -7 66
2007
MINIMUM 45 3:28 AM 33 2000 44 1 48
AVERAGE 53 56 -3 57
PRECIPITATION (IN)
TODAY 0.00 0.67 2005 0.08 -0.08 0.00
MONTH TO DATE 1.02 0.71 0.31 T
SINCE JUL 1 8.16 3.99 4.17 0.15
SINCE OCT 1 8.04 3.81 4.23 0.15
SINCE JAN 1 1.02 0.71 0.31 T
DEGREE DAYS
HEATING
TODAY 12 9 3 8
MONTH TO DATE 62 76 -14 49
SINCE DEC 1 201 380 -179 245
SINCE JUL 1 312 542 -230 396
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE DEC 1 9 2 7 6
SINCE JAN 1 0 0 0 1
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 2.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 36 2:00 PM
AVERAGE 65
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 83 2007
MINIMUM TEMPERATURE (F) 44 36 2000
SUNRISE AND SUNSET
JANUARY 8 2026.......SUNRISE 6:57 AM PST SUNSET 4:58 PM PST
JANUARY 9 2026.......SUNRISE 6:57 AM PST SUNSET 4:59 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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