S
M
T
W
T
F
S
31
65°
51°
1
63°
50°
2
66°
51°
3
67°
56°
4
70°
61°
5
80°
62°
6
75°
62°
7
76°
61°
8
78°
57°
9
75°
62°
10
75°
62°
11
73°
61°
12
75°
61°
13
71°
62°
14
72°
63°
15
72°
63°
16
74°
62°
17
73°
64°
18
73°
64°
19
77°
63°
20
75°
63°
21
74°
65°
22
79°
66°
23
78°
65°
24
79°
66°
25
78°
65°
26
76°
66°
27
81°
67°
28
79°
66°
29
78°
64°
30
79°
66°
1
78°
61°
2
76°
61°
3
76°
62°
4
77°
65°
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 63° to 81°, with overnight lows between 50° and 67°. The average high for June is 75° 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 June weather will actually feel in Boston. See also: July | August | September.
