823
CDUS46 KSGX 190059
CLIFUL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
559 PM PDT THU SEP 18 2025
...............................
..THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 18 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 84 2:10 PM 97 2020 85 -1 76
MINIMUM 70 4:04 AM 55 2010 65 5 59
AVERAGE 77 75 2 68
PRECIPITATION (IN)
TODAY 0.04R 0.00 MM 0.01 0.03 0.00
MONTH TO DATE 0.04 0.07 -0.03 T
SINCE JUL 1 0.04 0.11 -0.07 T
SINCE OCT 1 4.52 11.79 -7.27 16.56
SINCE JAN 1 4.49 8.69 -4.20 14.69
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 12 10 2 3
MONTH TO DATE 224 198 26 242
SINCE SEP 1 224 198 26 242
SINCE JAN 1 1181 1221 -40 1176
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 4.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 4:00 AM
LOWEST 55 2:00 PM
AVERAGE 71
......................................................
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 96 2016
MINIMUM TEMPERATURE (F) 64 57 2006
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 6:37 AM PDT SUNSET 6:54 PM PDT
SEPTEMBER 19 2025.....SUNRISE 6:38 AM PDT SUNSET 6:52 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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