Climatological Report (Daily)
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
245
CDUS46 KMTR 220030
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
530 PM PDT MON JUL 21 2025
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JULY 21 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 75 2:31 PM 102 1917 81 -6 80
MINIMUM 57 4:31 AM 45 1894 59 -2 60
AVERAGE 66 70 -4 70
PRECIPITATION (IN)
TODAY 0.00 0.07 1979 0.00 0.00 0.00
MONTH TO DATE 0.00 0.00 0.00 T
SINCE OCT 1 9.31 13.36 -4.05 17.06
SINCE JAN 1 5.67 9.21 -3.54 13.63
SNOWFALL (IN)
TODAY MM 0.0 1947
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE JUN 1 24 24 0 0
SINCE JUL 1 1 0 1 0
COOLING
TODAY 1 5 -4 5
MONTH TO DATE 57 94 -37 240
SINCE JUN 1 97 187 -90 408
SINCE JAN 1 138 238 -100 478
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (0)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 9.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 5:00 AM
LOWEST 53 11:00 AM
AVERAGE 70
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 102 2006
MINIMUM TEMPERATURE (F) 59 43 1894
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 6:04 AM PDT SUNSET 8:24 PM PDT
JULY 22 2025..........SUNRISE 6:04 AM PDT SUNSET 8:23 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$