S
M
T
W
T
F
S
31
66°
38°
1
66°
42°
2
76°
39°
3
83°
44°
4
86°
48°
5
85°
55°
6
82°
62°
7
77°
51°
8
80°
49°
9
87°
52°
10
90°
60°
11
88°
62°
12
88°
63°
13
89°
62°
14
83°
62°
15
79°
59°
16
77°
60°
17
79°
58°
18
78°
54°
19
81°
56°
20
77°
52°
21
80°
51°
22
74°
51°
23
74°
52°
24
75°
58°
25
76°
60°
26
83°
53°
27
76°
52°
28
76°
53°
29
77°
52°
30
76°
53°
1
78°
54°
2
77°
53°
3
83°
59°
4
84°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Brattleboro
Brattleboro's June 2026 forecast shows daily high temperatures ranging from 74° to 90°, with overnight lows between 49° and 63°. The average high for June is 80° 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 June weather will actually feel in Brattleboro. See also: July | August | September.