S
M
T
W
T
F
S
26
77°
60°
27
75°
59°
28
74°
59°
29
75°
60°
30
75°
60°
31
76°
59°
1
74°
61°
2
74°
60°
3
75°
62°
4
75°
65°
5
77°
61°
6
77°
63°
7
79°
63°
8
78°
62°
9
76°
61°
10
75°
60°
11
76°
59°
12
74°
60°
13
74°
60°
14
73°
62°
15
72°
61°
16
73°
61°
17
73°
62°
18
74°
63°
19
78°
64°
20
79°
64°
21
78°
63°
22
78°
63°
23
78°
62°
24
77°
60°
25
78°
58°
26
71°
60°
27
72°
61°
28
75°
63°
29
72°
62°
30
76°
64°
31
77°
63°
1
78°
58°
2
76°
56°
3
Hist. Avg.
73°
61°
4
Hist. Avg.
73°
61°
5
Hist. Avg.
73°
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 79°, with overnight lows between 56° and 65°. The average high for August is 75° with an average low of 61°. 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.
