242
CDUS46 KSGX 120924
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
224 AM PDT TUE MAY 12 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 11 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 96 2:46 PM 97 2013 79 17 97
2025
MINIMUM 60 5:15 AM 46 2022 55 5 65
AVERAGE 78 67 11 81
PRECIPITATION (IN)
YESTERDAY 0.00 T 2018 0.01 -0.01 0.00
2019
2022
MONTH TO DATE 0.17 0.15 0.02 0.24
SINCE JUL 1 12.16 11.47 0.69 6.11
SINCE OCT 1 12.04 11.29 0.75 6.11
SINCE JAN 1 5.02 8.19 -3.17 5.96
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 10 20 -10 25
SINCE MAR 1 66 297 -231 369
SINCE JUL 1 630 1271 -641 1127
COOLING
YESTERDAY 13 4 9 16
MONTH TO DATE 47 34 13 61
SINCE MAR 1 319 114 205 118
SINCE JAN 1 362 127 235 137
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 5:00 AM
LOWEST 13 2:00 PM
AVERAGE 50
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 103 2013
MINIMUM TEMPERATURE (F) 55 47 2000
SUNRISE AND SUNSET
MAY 12 2026...........SUNRISE 5:51 AM PDT SUNSET 7:43 PM PDT
MAY 13 2026...........SUNRISE 5:50 AM PDT SUNSET 7:44 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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