548
CDUS46 KSGX 210045
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
545 PM PDT SUN SEP 20 2026
...............................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 20 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 85 3:29 PM 104 2015 90 -5 92
MINIMUM 63 4:45 AM 53 1999 63 0 67
AVERAGE 74 77 -3 80
PRECIPITATION (IN)
TODAY 0.00 0.29 2005 0.00 0.00 0.00
MONTH TO DATE 0.56 0.05 0.51 0.09
SINCE JUL 1 0.56 0.13 0.43 0.09
SINCE OCT 1 12.64 11.59 1.05 6.31
SINCE JAN 1 5.62 8.49 -2.87 6.16
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 9 12 -3 15
MONTH TO DATE 282 274 8 297
SINCE SEP 1 282 274 8 297
SINCE JAN 1 2094 1647 447 1686
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 4.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 34 3:00 PM
AVERAGE 64
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 105 2003
MINIMUM TEMPERATURE (F) 63 53 2007
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 6:37 AM PDT SUNSET 6:50 PM PDT
SEPTEMBER 21 2026.....SUNRISE 6:38 AM PDT SUNSET 6:48 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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