683
CDUS46 KMTR 210825
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
125 AM PDT FRI AUG 21 2026
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR AUGUST 20 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 2:56 PM 98 1964 82 -5 90
MINIMUM 59 1:40 AM 42 1893 59 0 57
AVERAGE 68 70 -2 74
PRECIPITATION (IN)
YESTERDAY 0.00 0.50 1997 0.00 0.00 0.00
MONTH TO DATE 0.00 0.03 -0.03 0.00
SINCE OCT 1 12.73 13.39 -0.66 9.31
SINCE JAN 1 7.37 9.24 -1.87 5.67
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 5 28 -23 24
SINCE JUL 1 2 4 -2 1
COOLING
YESTERDAY 3 5 -2 9
MONTH TO DATE 114 100 14 103
SINCE JUN 1 379 335 44 232
SINCE JAN 1 465 386 79 273
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 3:00 AM
LOWEST 51 12:00 PM
AVERAGE 71
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THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 92 1969
MINIMUM TEMPERATURE (F) 59 44 1910
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 6:29 AM PDT SUNSET 7:52 PM PDT
AUGUST 22 2026........SUNRISE 6:30 AM PDT SUNSET 7:50 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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