786
CDUS46 KSGX 311018
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
218 AM PST SAT JAN 31 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 30 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 82 2:17 PM 83 2003 68 14 56
MINIMUM 48 6:29 AM 32 2002 45 3 45
AVERAGE 65 56 9 51
PRECIPITATION (IN)
YESTERDAY 0.00 0.29 2011 0.08 -0.08 0.00
MONTH TO DATE 1.02 2.48 -1.46 0.69
SINCE JUL 1 8.16 5.76 2.40 0.84
SINCE OCT 1 8.04 5.58 2.46 0.84
SINCE JAN 1 1.02 2.48 -1.46 0.69
DEGREE DAYS
HEATING
YESTERDAY 0 9 -9 14
MONTH TO DATE 172 274 -102 255
SINCE DEC 1 311 578 -267 451
SINCE JUL 1 422 740 -318 602
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 (290)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 3.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 44 5:00 AM
LOWEST 15 1:00 PM
AVERAGE 30
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 90 2003
MINIMUM TEMPERATURE (F) 45 31 2002
SUNRISE AND SUNSET
JANUARY 31 2026.......SUNRISE 6:48 AM PST SUNSET 5:20 PM PST
FEBRUARY 1 2026......SUNRISE 6:47 AM PST SUNSET 5:21 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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