S
M
T
W
T
F
S
31
77°
46°
1
72°
54°
2
73°
52°
3
79°
50°
4
81°
52°
5
82°
57°
6
86°
68°
7
86°
64°
8
82°
69°
9
81°
70°
10
86°
71°
11
85°
70°
12
83°
61°
13
83°
64°
14
83°
60°
15
77°
59°
16
74°
58°
17
78°
60°
18
79°
63°
19
82°
61°
20
81°
60°
21
80°
61°
22
79°
65°
23
79°
63°
24
81°
65°
25
84°
65°
26
85°
66°
27
83°
63°
28
81°
59°
29
78°
61°
30
80°
63°
1
82°
66°
2
81°
66°
3
84°
65°
4
80°
60°
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 74° to 86°, with overnight lows between 58° and 71°. The average high for June is 81° with an average low of 63°. 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.
