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
654
CDUS46 KSEW 150128
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
628 PM PDT MON SEP 14 2026
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 67 217 PM 93 1979 72 -5 68
MINIMUM 54 422 AM 46 1947 54 0 57
1955
1986
AVERAGE 61 63 -2 63
PRECIPITATION (IN)
TODAY 0.00 0.73 1949 0.05 -0.05 T
MONTH TO DATE 1.02 0.64 0.38 0.06
SINCE OCT 1 37.93 38.37 -0.44 28.97
SINCE JAN 1 21.15 22.43 -1.28 15.57
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 3.0 2.3
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 4 3 1 2
MONTH TO DATE 41 30 11 7
SINCE SEP 1 41 30 11 7
SINCE JUL 1 66 85 -19 31
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 1 23 -22 22
SINCE SEP 1 1 23 -22 22
SINCE JAN 1 266 256 10 316
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 7.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 500 AM
LOWEST 50 400 PM
AVERAGE 70
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 93 1967
MINIMUM TEMPERATURE (F) 54 42 1952
SUNRISE AND SUNSET
SEPTEMBER 14 2026.....SUNRISE 646 AM PDT SUNSET 723 PM PDT
SEPTEMBER 15 2026.....SUNRISE 647 AM PDT SUNSET 721 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$