266
CDUS46 KSGX 221020
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
220 AM PST THU JAN 22 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 21 2026
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)
YESTERDAY
MAXIMUM 68 3:41 PM 82 2013 68 0 70
MINIMUM 48 6:19 AM 33 2006 45 3 44
AVERAGE 58 56 2 57
PRECIPITATION (IN)
YESTERDAY 0.00 1.25 2010 0.08 -0.08 0.00
MONTH TO DATE 1.02 1.83 -0.81 T
SINCE JUL 1 8.16 5.11 3.05 0.15
SINCE OCT 1 8.04 4.93 3.11 0.15
SINCE JAN 1 1.02 1.83 -0.81 T
DEGREE DAYS
HEATING
YESTERDAY 7 9 -2 8
MONTH TO DATE 114 193 -79 164
SINCE DEC 1 253 497 -244 360
SINCE JUL 1 364 659 -295 511
COOLING
YESTERDAY 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 0 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 1.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 6:00 AM
LOWEST 32 4:00 PM
AVERAGE 56
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 81 2013
MINIMUM TEMPERATURE (F) 45 36 2013
2018
2023
SUNRISE AND SUNSET
JANUARY 22 2026.......SUNRISE 6:53 AM PST SUNSET 5:11 PM PST
JANUARY 23 2026.......SUNRISE 6:53 AM PST SUNSET 5:12 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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