521
CDUS46 KSGX 200938
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
238 AM PDT SAT JUN 20 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JUNE 19 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 80 4:09 PM 111 2016 88 -8 88
MINIMUM 60 11:59 PM 54 2005 61 -1 62
AVERAGE 70 74 -4 75
PRECIPITATION (IN)
YESTERDAY 0.00 T 2003 0.00 0.00 0.00
2023
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 5 9 -4 10
MONTH TO DATE 182 132 50 183
SINCE JUN 1 182 132 50 183
SINCE JAN 1 612 346 266 433
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 12:00 AM
LOWEST 41 4:00 PM
AVERAGE 62
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 112 2016
MINIMUM TEMPERATURE (F) 61 55 2010
SUNRISE AND SUNSET
JUNE 20 2026..........SUNRISE 5:39 AM PDT SUNSET 8:05 PM PDT
JUNE 21 2026..........SUNRISE 5:40 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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