703
CDUS46 KSGX 200025
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
525 PM PDT TUE MAY 19 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 19 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 90 3:28 PM 97 2008 80 10 89
MINIMUM 55 5:09 AM 46 2011 56 -1 56
AVERAGE 73 68 5 73
PRECIPITATION (IN)
TODAY 0.00 0.18 2019 0.00 0.00 0.00
MONTH TO DATE 0.17 0.23 -0.06 0.25
SINCE JUL 1 12.16 11.55 0.61 6.12
SINCE OCT 1 12.04 11.37 0.67 6.12
SINCE JAN 1 5.02 8.27 -3.25 5.97
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 11 28 -17 32
SINCE MAR 1 67 305 -238 376
SINCE JUL 1 631 1279 -648 1134
COOLING
TODAY 8 4 4 8
MONTH TO DATE 69 66 3 76
SINCE MAR 1 341 146 195 133
SINCE JAN 1 384 159 225 152
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NE (40)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 7.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 2:00 AM
LOWEST 7 3:00 PM
AVERAGE 46
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 98 2000
MINIMUM TEMPERATURE (F) 56 51 2011
SUNRISE AND SUNSET
MAY 19 2026...........SUNRISE 5:46 AM PDT SUNSET 7:48 PM PDT
MAY 20 2026...........SUNRISE 5:46 AM PDT SUNSET 7:49 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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