521
CDUS46 KSGX 261038
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
238 AM PST MON JAN 26 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 25 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 2:32 PM 83 2003 68 0 63
MINIMUM 40 7:25 AM 35 2017 45 -5 44
AVERAGE 54 56 -2 54
PRECIPITATION (IN)
YESTERDAY 0.00 0.54 2021 0.07 -0.07 0.07
MONTH TO DATE 1.02 2.13 -1.11 0.07
SINCE JUL 1 8.16 5.41 2.75 0.22
SINCE OCT 1 8.04 5.23 2.81 0.22
SINCE JAN 1 1.02 2.13 -1.11 0.07
DEGREE DAYS
HEATING
YESTERDAY 11 9 2 11
MONTH TO DATE 148 229 -81 186
SINCE DEC 1 287 533 -246 382
SINCE JUL 1 398 695 -297 533
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 2 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 2.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 19 2:00 PM
AVERAGE 56
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 84 2003
MINIMUM TEMPERATURE (F) 45 34 2002
2017
2021
SUNRISE AND SUNSET
JANUARY 26 2026.......SUNRISE 6:51 AM PST SUNSET 5:15 PM PST
JANUARY 27 2026.......SUNRISE 6:51 AM PST SUNSET 5:16 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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