186
CDUS46 KSGX 170019
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
519 PM PDT SAT MAY 16 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 16 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 73 1:05 PM 100 2008 80 -7 79
MINIMUM 59 5:17 AM 46 2011 56 3 54
AVERAGE 66 68 -2 67
PRECIPITATION (IN)
TODAY 0.00 T 2016 0.01 -0.01 0.00
2021
2024
MONTH TO DATE 0.17 0.21 -0.04 0.24
SINCE JUL 1 12.16 11.53 0.63 6.11
SINCE OCT 1 12.04 11.35 0.69 6.11
SINCE JAN 1 5.02 8.25 -3.23 5.96
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 10 25 -15 28
SINCE MAR 1 66 302 -236 372
SINCE JUL 1 630 1276 -646 1130
COOLING
TODAY 1 4 -3 2
MONTH TO DATE 56 54 2 68
SINCE MAR 1 328 134 194 125
SINCE JAN 1 371 147 224 144
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 5:00 AM
LOWEST 53 11:00 AM
AVERAGE 70
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 102 2008
MINIMUM TEMPERATURE (F) 56 45 2006
SUNRISE AND SUNSET
MAY 16 2026...........SUNRISE 5:48 AM PDT SUNSET 7:46 PM PDT
MAY 17 2026...........SUNRISE 5:47 AM PDT SUNSET 7:47 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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