715
CDUS46 KSGX 100919
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
219 AM PDT SUN MAY 10 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 9 2026
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)
YESTERDAY
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)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 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
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 4:00 AM
LOWEST 33 3:00 PM
AVERAGE 65
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 103 2025
MINIMUM TEMPERATURE (F) 55 46 2003
SUNRISE AND SUNSET
MAY 10 2026...........SUNRISE 5:53 AM PDT SUNSET 7:41 PM PDT
MAY 11 2026...........SUNRISE 5:52 AM PDT SUNSET 7:42 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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