Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 220031
CLIFUL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
531 PM PDT TUE JUL 21 2026
...................................
...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR JULY 21 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 89 3:59 PM 100 2016 85 4 77
MINIMUM 70 5:52 AM 60 1999 67 3 66
AVERAGE 80 76 4 72
PRECIPITATION (IN)
TODAY 0.00 T 2013 0.00 0.00 0.00
MONTH TO DATE 0.00 0.01 -0.01 0.00
SINCE JUL 1 0.00 0.01 -0.01 0.00
SINCE OCT 1 15.66 11.69 3.97 4.48
SINCE JAN 1 5.26 8.59 -3.33 4.45
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 2 -2 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 15 11 4 7
MONTH TO DATE 232 209 23 161
SINCE JUN 1 417 385 32 370
SINCE JAN 1 742 556 186 511
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 4.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 3:00 AM
LOWEST 35 1:00 PM
AVERAGE 63
..........................................................
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 106 2006
MINIMUM TEMPERATURE (F) 67 59 1999
SUNRISE AND SUNSET
JULY 21 2026..........SUNRISE 5:56 AM PDT SUNSET 8:00 PM PDT
JULY 22 2026..........SUNRISE 5:57 AM PDT SUNSET 8:00 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$