Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 170840
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
140 AM PDT SUN MAY 17 2026
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR MAY 16 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 72 2:49 PM 98 1956 74 -2 75
1997
2008
MINIMUM 54 5:06 AM 32 1894 52 2 53
AVERAGE 63 63 0 64
PRECIPITATION (IN)
YESTERDAY 0.00 1.21 1996 0.01 -0.01 0.00
MONTH TO DATE T 0.24 -0.24 0.11
SINCE OCT 1 12.59 13.03 -0.44 9.31
SINCE JAN 1 7.23 8.88 -1.65 5.67
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 2 3 -1 1
MONTH TO DATE 44 66 -22 37
SINCE MAR 1 262 541 -279 520
SINCE JUL 1 1519 2124 -605 1691
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 3 16 -13 13
SINCE MAR 1 56 29 27 19
SINCE JAN 1 60 29 31 19
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION N (350)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 11.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 4:00 AM
LOWEST 39 2:00 PM
AVERAGE 55
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 100 1997
MINIMUM TEMPERATURE (F) 52 32 1896
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 5:57 AM PDT SUNSET 8:12 PM PDT
MAY 18 2026...........SUNRISE 5:56 AM PDT SUNSET 8:12 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$