S
M
T
W
T
F
S
26
75°
57°
27
77°
58°
28
78°
58°
29
71°
56°
30
69°
54°
31
68°
53°
1
68°
57°
2
69°
54°
3
72°
55°
4
70°
54°
5
72°
55°
6
76°
58°
7
75°
57°
8
76°
57°
9
77°
58°
10
77°
58°
11
78°
59°
12
78°
59°
13
77°
58°
14
77°
58°
15
76°
57°
16
77°
58°
17
77°
58°
18
76°
57°
19
78°
59°
20
78°
59°
21
77°
58°
22
77°
58°
23
76°
57°
24
74°
50°
25
72°
57°
26
75°
57°
27
76°
58°
28
78°
57°
29
77°
53°
30
77°
58°
31
76°
57°
1
76°
55°
2
75°
51°
3
76°
49°
4
76°
50°
5
74°
49°
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 68° to 78°, with overnight lows between 49° and 59°. The average high for August is 75° with an average low of 56°. 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.
