590
CDUS46 KSGX 110920
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
220 AM PDT MON MAY 11 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 10 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 89 2:06 PM 103 2025 79 10 103
MINIMUM 57 6:20 AM 46 2003 55 2 66
AVERAGE 73 67 6 85
PRECIPITATION (IN)
YESTERDAY 0.00 T 2017 0.01 -0.01 0.00
2019
2021
MONTH TO DATE 0.17 0.14 0.03 0.24
SINCE JUL 1 12.16 11.46 0.70 6.11
SINCE OCT 1 12.04 11.28 0.76 6.11
SINCE JAN 1 5.02 8.18 -3.16 5.96
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 10 19 -9 25
SINCE MAR 1 66 296 -230 369
SINCE JUL 1 630 1270 -640 1127
COOLING
YESTERDAY 8 3 5 20
MONTH TO DATE 34 30 4 45
SINCE MAR 1 306 110 196 102
SINCE JAN 1 349 123 226 121
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 7:00 AM
LOWEST 30 2:00 PM
AVERAGE 64
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 97 2013
2025
MINIMUM TEMPERATURE (F) 55 46 2022
SUNRISE AND SUNSET
MAY 11 2026...........SUNRISE 5:52 AM PDT SUNSET 7:42 PM PDT
MAY 12 2026...........SUNRISE 5:51 AM PDT SUNSET 7:43 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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