467
CDUS46 KSGX 190018
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
518 PM PDT FRI JUL 18 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 18 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 87 1:17 PM 102 2009 94 -7 95
MINIMUM 64 4:47 AM 57 2001 65 -1 69
AVERAGE 76 80 -4 82
PRECIPITATION (IN)
TODAY 0.00 T 2003 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 11 15 -4 17
MONTH TO DATE 217 247 -30 287
SINCE JUN 1 505 497 8 572
SINCE JAN 1 755 711 44 633
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 4:00 AM
LOWEST 43 2:00 PM
AVERAGE 64
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 94 105 2009
MINIMUM TEMPERATURE (F) 65 59 2001
SUNRISE AND SUNSET
JULY 18 2025..........SUNRISE 5:52 AM PDT SUNSET 8:01 PM PDT
JULY 19 2025..........SUNRISE 5:53 AM PDT SUNSET 8:00 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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