S
M
T
W
T
F
S
31
73°
52°
1
74°
50°
2
76°
52°
3
74°
56°
4
78°
60°
5
78°
60°
6
77°
58°
7
79°
59°
8
80°
60°
9
81°
58°
10
83°
62°
11
79°
59°
12
78°
58°
13
82°
63°
14
82°
63°
15
79°
64°
16
80°
64°
17
80°
58°
18
77°
56°
19
76°
56°
20
77°
58°
21
78°
64°
22
79°
63°
23
78°
59°
24
79°
63°
25
80°
64°
26
83°
65°
27
85°
66°
28
86°
66°
29
86°
67°
30
85°
67°
1
86°
66°
2
80°
63°
3
79°
60°
4
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Boston
Boston's June 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 50° and 67°. The average high for June is 80° 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 June weather will actually feel in Boston. See also: July | August | September.
