749
CDUS46 KSGX 250924
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
224 AM PDT MON MAY 25 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 24 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 77 4:11 PM 97 2021 81 -4 77
MINIMUM 57 11:59 PM 48 2010 57 0 58
AVERAGE 67 69 -2 68
PRECIPITATION (IN)
YESTERDAY 0.00 T 2018 0.01 -0.01 0.00
2023
2024
MONTH TO DATE 0.17 0.27 -0.10 0.25
SINCE JUL 1 12.16 11.59 0.57 6.12
SINCE OCT 1 12.04 11.41 0.63 6.12
SINCE JAN 1 5.02 8.31 -3.29 5.97
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 11 33 -22 32
SINCE MAR 1 67 310 -243 376
SINCE JUL 1 631 1284 -653 1134
COOLING
YESTERDAY 2 4 -2 3
MONTH TO DATE 100 86 14 121
SINCE MAR 1 372 166 206 178
SINCE JAN 1 415 179 236 197
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 7.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 12:00 AM
LOWEST 43 4:00 PM
AVERAGE 61
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 92 2020
2021
MINIMUM TEMPERATURE (F) 57 48 2010
SUNRISE AND SUNSET
MAY 25 2026...........SUNRISE 5:43 AM PDT SUNSET 7:52 PM PDT
MAY 26 2026...........SUNRISE 5:42 AM PDT SUNSET 7:53 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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