543
CDUS46 KSGX 260017
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
517 PM PDT SAT JUL 25 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 25 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 101 3:01 PM 104 2018 95 6 85
MINIMUM 70 5:23 AM 57 1999 65 5 59
AVERAGE 86 80 6 72
PRECIPITATION (IN)
TODAY 0.00 T 2013 0.01 -0.01 0.00
2019
2021
MONTH TO DATE T 0.04 -0.04 0.00
SINCE JUL 1 T 0.04 -0.04 0.00
SINCE OCT 1 12.08 11.50 0.58 6.22
SINCE JAN 1 5.06 8.40 -3.34 6.07
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 4 -4 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 21 15 6 7
MONTH TO DATE 398 352 46 282
SINCE JUN 1 658 602 56 570
SINCE JAN 1 1088 816 272 820
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 5:00 AM
LOWEST 23 3:00 PM
AVERAGE 52
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 103 2006
2019
MINIMUM TEMPERATURE (F) 65 58 1999
2012
2025
SUNRISE AND SUNSET
JULY 25 2026..........SUNRISE 5:57 AM PDT SUNSET 7:57 PM PDT
JULY 26 2026..........SUNRISE 5:58 AM PDT SUNSET 7:56 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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