639
CDUS46 KSGX 180918
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
218 AM PDT THU JUN 18 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JUNE 17 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 85 2:02 PM 101 2021 87 -2 97
MINIMUM 59 5:19 AM 55 2010 60 -1 65
AVERAGE 72 74 -2 81
PRECIPITATION (IN)
YESTERDAY 0.00 T 2011 0.00 0.00 0.00
2020
2021
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 7 8 -1 16
MONTH TO DATE 171 114 57 157
SINCE JUN 1 171 114 57 157
SINCE JAN 1 601 328 273 407
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WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 33 1:00 PM
AVERAGE 63
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 103 2008
MINIMUM TEMPERATURE (F) 60 56 2005
SUNRISE AND SUNSET
JUNE 18 2026..........SUNRISE 5:39 AM PDT SUNSET 8:04 PM PDT
JUNE 19 2026..........SUNRISE 5:39 AM PDT SUNSET 8:05 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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