262
CDUS46 KMTR 100840
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
140 AM PDT THU SEP 10 2026
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 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 97 2:32 PM 106 1944 82 15 78
MINIMUM 68 5:20 AM 43 1928 58 10 65
AVERAGE 83 70 13 72
PRECIPITATION (IN)
YESTERDAY 0.00 0.11 1985 0.00 0.00 T
MONTH TO DATE 0.06 0.01 0.05 T
SINCE OCT 1 12.79 13.42 -0.63 9.31
SINCE JAN 1 7.43 9.27 -1.84 5.67
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 2 6 -4 1
COOLING
YESTERDAY 18 5 13 7
MONTH TO DATE 54 45 9 57
SINCE SEP 1 54 45 9 57
SINCE JAN 1 578 488 90 406
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 3.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 4:00 AM
LOWEST 19 3:00 PM
AVERAGE 40
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THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 98 1903
MINIMUM TEMPERATURE (F) 58 42 1893
SUNRISE AND SUNSET
SEPTEMBER 10 2026.....SUNRISE 6:46 AM PDT SUNSET 7:23 PM PDT
SEPTEMBER 11 2026.....SUNRISE 6:47 AM PDT SUNSET 7:21 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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