Climatological Report (Daily)
Issued by NWS
Issued by NWS
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996
CDUS46 KSGX 190019
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
519 PM PDT TUE AUG 18 2026
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 99 3:17 PM 108 2020 95 4 93
MINIMUM 70 5:07 AM 59 2009 65 5 62
AVERAGE 85 80 5 78
PRECIPITATION (IN)
TODAY 0.00 T 2021 0.00 0.00 0.00
MONTH TO DATE 0.00 0.02 -0.02 0.00
SINCE JUL 1 T 0.07 -0.07 0.00
SINCE OCT 1 12.08 11.53 0.55 6.22
SINCE JAN 1 5.06 8.43 -3.37 6.07
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 4 -4 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 20 15 5 13
MONTH TO DATE 317 270 47 253
SINCE JUN 1 1085 962 123 886
SINCE JAN 1 1515 1176 339 1136
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 49 5:00 AM
LOWEST 16 12:00 PM
AVERAGE 33
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 107 2020
MINIMUM TEMPERATURE (F) 65 59 2009
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 6:14 AM PDT SUNSET 7:34 PM PDT
AUGUST 19 2026........SUNRISE 6:15 AM PDT SUNSET 7:33 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$