726
CDUS46 KSGX 180029
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
529 PM PDT THU JUL 17 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 17 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 92 1:05 PM 102 1998 94 -2 91
MINIMUM 63 5:51 AM 57 2001 65 -2 66
AVERAGE 78 80 -2 79
PRECIPITATION (IN)
TODAY 0.00 T 2006 0.00 0.00 0.00
MONTH TO DATE 0.00 0.02 -0.02 0.00
SINCE JUL 1 0.00 0.02 -0.02 0.00
SINCE OCT 1 6.22 11.48 -5.26 17.64
SINCE JAN 1 6.07 8.38 -2.31 16.29
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 4 -4 2
SINCE JUL 1 0 0 0 0
COOLING
TODAY 13 15 -2 14
MONTH TO DATE 206 232 -26 270
SINCE JUN 1 494 482 12 555
SINCE JAN 1 744 696 48 616
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 5:00 AM
LOWEST 25 12:00 PM
AVERAGE 56
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 94 102 2009
MINIMUM TEMPERATURE (F) 65 57 2001
SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE 5:52 AM PDT SUNSET 8:01 PM PDT
JULY 18 2025..........SUNRISE 5:52 AM PDT SUNSET 8:01 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page