181
CDUS46 KSGX 100019
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
519 PM PDT SAT MAY 09 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 9 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 86 3:35 PM 100 2025 79 7 100
MINIMUM 57 6:05 AM 49 2003 55 2 57
AVERAGE 72 67 5 79
PRECIPITATION (IN)
TODAY 0.00 T 2013 0.02 -0.02 0.00
2013
2017
MONTH TO DATE 0.17 0.13 0.04 0.24
SINCE JUL 1 12.16 11.45 0.71 6.11
SINCE OCT 1 12.04 11.27 0.77 6.11
SINCE JAN 1 5.02 8.17 -3.15 5.96
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 10 18 -8 25
SINCE MAR 1 66 295 -229 369
SINCE JUL 1 630 1269 -639 1127
COOLING
TODAY 7 3 4 14
MONTH TO DATE 26 27 -1 25
SINCE MAR 1 298 107 191 82
SINCE JAN 1 341 120 221 101
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 4.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 4:00 AM
LOWEST 33 3:00 PM
AVERAGE 65
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 103 2025
MINIMUM TEMPERATURE (F) 55 46 2003
SUNRISE AND SUNSET
MAY 9 2026...........SUNRISE 5:54 AM PDT SUNSET 7:41 PM PDT
MAY 10 2026...........SUNRISE 5:53 AM PDT SUNSET 7:41 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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