954
CDUS46 KSGX 300027
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
427 PM PST THU JAN 29 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 29 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 79 3:59 PM 86 2018 68 11 59
MINIMUM 43 4:00 AM 34 2002 45 -2 46
AVERAGE 61 56 5 53
PRECIPITATION (IN)
TODAY 0.00 T 2015 0.08 -0.08 0.00
MONTH TO DATE 1.02 2.40 -1.38 0.69
SINCE JUL 1 8.16 5.68 2.48 0.84
SINCE OCT 1 8.04 5.50 2.54 0.84
SINCE JAN 1 1.02 2.40 -1.38 0.69
DEGREE DAYS
HEATING
TODAY 4 9 -5 12
MONTH TO DATE 172 265 -93 241
SINCE DEC 1 311 569 -258 437
SINCE JUL 1 422 731 -309 588
COOLING
TODAY 0 0 0 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 NW (320)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 3.2
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 47 7:00 AM
LOWEST 14 3:00 PM
AVERAGE 31
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 83 2003
MINIMUM TEMPERATURE (F) 45 32 2002
SUNRISE AND SUNSET
JANUARY 29 2026.......SUNRISE 6:49 AM PST SUNSET 5:18 PM PST
JANUARY 30 2026.......SUNRISE 6:49 AM PST SUNSET 5:19 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