S
M
T
W
T
F
S
26
75°
57°
27
77°
56°
28
77°
58°
29
76°
57°
30
75°
57°
31
69°
54°
1
69°
53°
2
77°
58°
3
77°
58°
4
74°
56°
5
70°
54°
6
71°
55°
7
76°
58°
8
77°
57°
9
77°
58°
10
76°
58°
11
73°
57°
12
72°
56°
13
76°
58°
14
73°
58°
15
71°
57°
16
73°
56°
17
70°
56°
18
69°
55°
19
74°
57°
20
75°
56°
21
73°
59°
22
76°
55°
23
78°
55°
24
75°
56°
25
76°
57°
26
67°
49°
27
68°
49°
28
75°
55°
29
76°
56°
30
68°
48°
31
67°
54°
1
68°
50°
2
66°
50°
3
68°
49°
4
72°
54°
5
65°
47°
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 65° to 78°, with overnight lows between 47° and 59°. The average high for August is 73° with an average low of 55°. 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.
