018
CDUS46 KSGX 151028
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
228 AM PST THU JAN 15 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 14 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 84 2:13 PM 87 2021 68 16 67
MINIMUM 48 6:09 AM 25 1962 45 3 47
2007
AVERAGE 66 56 10 57
PRECIPITATION (IN)
YESTERDAY 0.00 1.72 2023 0.09 -0.09 0.00
MONTH TO DATE 1.02 1.24 -0.22 T
SINCE JUL 1 8.16 4.52 3.64 0.15
SINCE OCT 1 8.04 4.34 3.70 0.15
SINCE JAN 1 1.02 1.24 -0.22 T
DEGREE DAYS
HEATING
YESTERDAY 0 9 -9 8
MONTH TO DATE 99 130 -31 88
SINCE DEC 1 238 434 -196 284
SINCE JUL 1 349 596 -247 435
COOLING
YESTERDAY 1 0 1 0
MONTH TO DATE 1 0 1 1
SINCE DEC 1 10 2 8 6
SINCE JAN 1 1 0 1 1
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NE (30)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 48 6:00 AM
LOWEST 11 12:00 PM
AVERAGE 30
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 2021
MINIMUM TEMPERATURE (F) 45 31 2013
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.
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