819
CDUS46 KSGX 210920
CLISAN
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
220 AM PDT TUE APR 21 2026
...............................
..THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR APRIL 20 2026
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)
YESTERDAY
MAXIMUM 70 2:51 PM 98 2009 69 1 69
MINIMUM 58 5:38 AM 42 1896 58 0 54
AVERAGE 64 63 1 62
PRECIPITATION (IN)
YESTERDAY 0.00 1.42 1988 0.02 -0.02 0.00
MONTH TO DATE 0.14 0.50 -0.36 0.01
SINCE JUL 1 10.27 9.31 0.96 4.21
SINCE OCT 1 9.76 9.10 0.66 4.19
SINCE JAN 1 5.04 6.14 -1.10 4.05
DEGREE DAYS
HEATING
YESTERDAY 1 3 -2 3
MONTH TO DATE 14 62 -48 61
SINCE MAR 1 46 204 -158 249
SINCE JUL 1 580 912 -332 1016
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 13 10 3 1
SINCE MAR 1 88 20 68 1
SINCE JAN 1 101 28 73 3
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 4.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 1:00 AM
LOWEST 57 12:00 PM
AVERAGE 72
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THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 88 1899
MINIMUM TEMPERATURE (F) 58 43 1896
SUNRISE AND SUNSET
APRIL 21 2026.........SUNRISE 6:12 AM PDT SUNSET 7:23 PM PDT
APRIL 22 2026.........SUNRISE 6:11 AM PDT SUNSET 7:24 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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