731
CDUS46 KSGX 220936
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
236 AM PDT FRI MAY 22 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 21 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 87 2:20 PM 101 2000 80 7 95
MINIMUM 59 4:52 AM 47 2002 56 3 63
AVERAGE 73 68 5 79
PRECIPITATION (IN)
YESTERDAY 0.00 T 2018 0.01 -0.01 0.00
2018
2019
MONTH TO DATE 0.17 0.25 -0.08 0.25
SINCE JUL 1 12.16 11.57 0.59 6.12
SINCE OCT 1 12.04 11.39 0.65 6.12
SINCE JAN 1 5.02 8.29 -3.27 5.97
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 11 30 -19 32
SINCE MAR 1 67 307 -240 376
SINCE JUL 1 631 1281 -650 1134
COOLING
YESTERDAY 8 4 4 14
MONTH TO DATE 88 74 14 102
SINCE MAR 1 360 154 206 159
SINCE JAN 1 403 167 236 178
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 8.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 11:00 PM
LOWEST 27 12:00 PM
AVERAGE 49
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 96 2005
MINIMUM TEMPERATURE (F) 56 48 2002
SUNRISE AND SUNSET
MAY 22 2026...........SUNRISE 5:44 AM PDT SUNSET 7:50 PM PDT
MAY 23 2026...........SUNRISE 5:44 AM PDT SUNSET 7:51 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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