968
CDUS46 KSGX 160021
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
421 PM PST THU JAN 15 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 15 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 82 2:35 PM 88 2021 68 14 73
MINIMUM 51 3:08 AM 31 2013 45 6 44
AVERAGE 67 56 11 59
PRECIPITATION (IN)
TODAY 0.00 0.78 2023 0.08 -0.08 0.00
MONTH TO DATE 1.02 1.32 -0.30 T
SINCE JUL 1 8.16 4.60 3.56 0.15
SINCE OCT 1 8.04 4.42 3.62 0.15
SINCE JAN 1 1.02 1.32 -0.30 T
DEGREE DAYS
HEATING
TODAY 0 9 -9 6
MONTH TO DATE 99 139 -40 94
SINCE DEC 1 238 443 -205 290
SINCE JUL 1 349 605 -256 441
COOLING
TODAY 2 0 2 0
MONTH TO DATE 3 0 3 1
SINCE DEC 1 12 2 10 6
SINCE JAN 1 3 0 3 1
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 45 4:00 AM
LOWEST 13 12:00 AM
AVERAGE 29
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 2021
MINIMUM TEMPERATURE (F) 45 34 2006
2007
SUNRISE AND SUNSET
JANUARY 15 2026.......SUNRISE 6:56 AM PST SUNSET 5:04 PM PST
JANUARY 16 2026.......SUNRISE 6:55 AM PST SUNSET 5:05 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page