S
M
T
W
T
F
S
26
71°
64°
27
75°
61°
28
81°
66°
29
72°
65°
30
67°
64°
31
77°
64°
1
84°
67°
2
83°
70°
3
78°
64°
4
83°
64°
5
82°
70°
6
83°
70°
7
84°
72°
8
83°
68°
9
82°
67°
10
84°
66°
11
80°
64°
12
81°
63°
13
78°
61°
14
74°
62°
15
76°
60°
16
75°
59°
17
73°
62°
18
73°
61°
19
72°
62°
20
72°
62°
21
73°
60°
22
72°
61°
23
76°
63°
24
77°
62°
25
75°
62°
26
71°
61°
27
71°
61°
28
72°
62°
29
72°
62°
30
75°
61°
31
74°
60°
1
76°
59°
2
69°
56°
3
68°
58°
4
68°
57°
5
69°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Provincetown
Provincetown's August 2026 forecast shows daily high temperatures ranging from 68° to 84°, with overnight lows between 56° and 72°. The average high for August is 76° with an average low of 62°. 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 Provincetown. See also: September | October | November.
