Climatological Report (Daily)
Issued by NWS
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681
CDUS46 KMTR 280831
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
131 AM PDT THU AUG 28 2025
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR AUGUST 27 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 12:40 PM 99 1993 82 -1 95
MINIMUM 59 5:07 AM 43 1896 58 1 63
1921
AVERAGE 70 70 0 79
PRECIPITATION (IN)
YESTERDAY 0.00 0.10 1949 0.00 0.00 0.00
MONTH TO DATE 0.00 0.04 -0.04 T
SINCE OCT 1 9.31 13.40 -4.09 17.06
SINCE JAN 1 5.67 9.25 -3.58 13.63
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 24 28 -4 0
SINCE JUL 1 1 4 -3 0
COOLING
YESTERDAY 5 5 0 14
MONTH TO DATE 146 135 11 207
SINCE JUN 1 275 370 -95 710
SINCE JAN 1 316 421 -105 780
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 5:00 AM
LOWEST 48 12:00 PM
AVERAGE 68
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 101 2008
2009
MINIMUM TEMPERATURE (F) 58 45 1896
1902
SUNRISE AND SUNSET
AUGUST 28 2025........SUNRISE 6:35 AM PDT SUNSET 7:42 PM PDT
AUGUST 29 2025........SUNRISE 6:36 AM PDT SUNSET 7:40 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$