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Port Townsend, WA

59°F
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Port Townsend

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59°
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Port Townsend, WA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities
Wind Advisory

September

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
30
70°
52°
31
70°
53°
1
69°
51°
2
Windy with periods of rain
66°
54°
3
A shower and thunderstorm
66°
51°
4
Mostly cloudy, showers around
63°
51°
5
Times of clouds and sun
63°
52°
6
Partly sunny
68°
53°
7
Clouds and sun with a shower
68°
54°
8
A little morning rain; cloudy
65°
51°
9
Sun and some clouds
66°
54°
10
A little afternoon rain
68°
53°
11
Low clouds, then some sun
67°
53°
12
Morning mist; mostly cloudy
65°
51°
13
Cloudy, a shower in the p.m.
65°
52°
14
Rain
66°
52°
15
A thundershower in spots
69°
51°
16
Partly sunny
64°
54°
17
A little afternoon rain
64°
53°
18
Partial sunshine
63°
51°
19
Cloudy
63°
52°
20
Rain most of the time
64°
54°
21
Cloudy with a little rain
63°
54°
22
A little rain in the morning
63°
53°
23
An afternoon thunderstorm
62°
48°
24
Partly sunny
61°
47°
25
Mostly cloudy
61°
46°
26
Partly sunny
63°
50°
27
Mostly sunny
69°
54°
28
Mostly sunny
69°
54°
29
Partial sunshine
68°
53°
30
Sun yielding to clouds
67°
52°
1
Sunny intervals
68°
53°
2
Mostly sunny
68°
53°
3
Increasing cloudiness
67°
52°

Temperature Graph

°F
80° 72° 64° 56° 48° Sep
Today 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
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

September Weather in Port Townsend

Port Townsend's September 2026 forecast shows daily high temperatures ranging from 61° to 69°, with overnight lows between 46° and 54°. The average high for September is 65° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Port Townsend. See also: October | November | December.

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World North America United States Washington Port Townsend

Weather Near Port Townsend:

  • Bellevue, WA
  • Seattle, WA
  • Tacoma, WA
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