S
M
T
W
T
F
S
26
82°
50°
27
86°
50°
28
81°
60°
29
69°
64°
30
75°
62°
31
81°
60°
1
86°
63°
2
86°
67°
3
81°
60°
4
85°
56°
5
86°
58°
6
90°
64°
7
89°
71°
8
88°
67°
9
85°
64°
10
83°
59°
11
83°
62°
12
83°
57°
13
81°
61°
14
81°
57°
15
79°
52°
16
81°
48°
17
75°
65°
18
83°
59°
19
84°
60°
20
82°
52°
21
82°
53°
22
76°
60°
23
78°
60°
24
77°
55°
25
78°
53°
26
79°
56°
27
79°
55°
28
78°
55°
29
79°
54°
30
80°
55°
31
78°
54°
1
73°
49°
2
74°
50°
3
73°
55°
4
72°
56°
5
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Brattleboro
Brattleboro's August 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 49° and 60°. The average high for August is 78° 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 Brattleboro. See also: September | October | November.
