S
M
T
W
T
F
S
26
68°
57°
27
73°
55°
28
72°
55°
29
70°
54°
30
73°
46°
31
79°
48°
1
64°
55°
2
66°
50°
3
73°
46°
4
77°
46°
5
82°
48°
6
81°
48°
7
79°
48°
8
79°
48°
9
72°
46°
10
70°
54°
11
73°
46°
12
75°
55°
13
73°
50°
14
70°
52°
15
72°
52°
16
70°
50°
17
75°
50°
18
73°
50°
19
77°
52°
20
82°
48°
21
79°
48°
22
70°
52°
23
68°
52°
24
75°
52°
25
82°
52°
26
72°
54°
27
70°
56°
28
67°
54°
29
65°
51°
30
64°
52°
31
65°
54°
1
64°
55°
2
62°
53°
3
65°
50°
4
63°
51°
5
64°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Port Townsend
Port Townsend's August 2026 forecast shows daily high temperatures ranging from 62° to 70°, with overnight lows between 50° and 56°. The average high for August is 65° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Port Townsend. See also: September | October | November.
