954
CDUS46 KSGX 170921
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
221 AM PDT WED JUN 17 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JUNE 16 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 90 1:56 PM 101 2006 86 4 97
MINIMUM 63 5:16 AM 54 2016 60 3 65
AVERAGE 77 73 4 81
PRECIPITATION (IN)
YESTERDAY 0.00 0.00 MM 0.00 0.00 0.00
MONTH TO DATE 0.00 0.02 -0.02 0.10
SINCE JUL 1 12.20 11.64 0.56 6.22
SINCE OCT 1 12.08 11.46 0.62 6.22
SINCE JAN 1 5.06 8.36 -3.30 6.07
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 638 1288 -650 1134
COOLING
YESTERDAY 12 8 4 16
MONTH TO DATE 164 106 58 141
SINCE JUN 1 164 106 58 141
SINCE JAN 1 594 320 274 391
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 7.2
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 81 5:00 AM
LOWEST 28 1:00 PM
AVERAGE 55
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 101 2021
MINIMUM TEMPERATURE (F) 60 55 2010
SUNRISE AND SUNSET
JUNE 17 2026..........SUNRISE 5:39 AM PDT SUNSET 8:04 PM PDT
JUNE 18 2026..........SUNRISE 5:39 AM PDT SUNSET 8:04 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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