S
M
T
W
T
F
S
26
74°
59°
27
74°
60°
28
75°
61°
29
76°
59°
30
75°
60°
31
75°
65°
1
79°
66°
2
80°
66°
3
80°
65°
4
79°
65°
5
80°
58°
6
76°
58°
7
72°
59°
8
74°
60°
9
74°
61°
10
75°
61°
11
77°
64°
12
78°
60°
13
76°
64°
14
79°
65°
15
78°
65°
16
77°
64°
17
79°
62°
18
75°
59°
19
72°
59°
20
72°
60°
21
73°
61°
22
73°
64°
23
72°
61°
24
74°
62°
25
75°
64°
26
77°
63°
27
77°
58°
28
75°
60°
29
71°
62°
30
76°
63°
31
76°
64°
1
77°
63°
2
76°
62°
3
77°
57°
4
76°
55°
5
75°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Wellfleet
Wellfleet's August 2026 forecast shows daily high temperatures ranging from 71° to 80°, with overnight lows between 55° and 66°. 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 Wellfleet. See also: September | October | November.
