Climatological Report (Daily)
Issued by NWS
Issued by NWS
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861
CDUS46 KSGX 190031
CLISAN
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
531 PM PDT FRI SEP 18 2026
...................................
...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1874 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 78 11:26 AM 95 1939 77 1 81
MINIMUM 69 12:42 AM 50 1882 66 3 69
AVERAGE 74 72 2 75
PRECIPITATION (IN)
TODAY 0.00 0.41 1963 0.00 0.00 0.23
MONTH TO DATE T 0.05 -0.05 0.45
SINCE JUL 1 T 0.14 -0.14 0.50
SINCE OCT 1 10.09 9.72 0.37 5.06
SINCE JAN 1 5.37 6.76 -1.39 4.92
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 1 -1 0
COOLING
TODAY 9 7 2 10
MONTH TO DATE 201 134 67 143
SINCE SEP 1 201 134 67 143
SINCE JAN 1 1005 694 311 575
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 5.0
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 73 1:00 AM
LOWEST 52 12:00 PM
AVERAGE 63
..........................................................
THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 97 1939
MINIMUM TEMPERATURE (F) 66 50 1882
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 6:34 AM PDT SUNSET 6:51 PM PDT
SEPTEMBER 19 2026.....SUNRISE 6:35 AM PDT SUNSET 6:49 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$