S
M
T
W
T
F
S
31
72°
59°
1
75°
58°
2
78°
54°
3
73°
59°
4
76°
60°
5
76°
60°
6
75°
59°
7
75°
59°
8
68°
57°
9
68°
57°
10
69°
59°
11
75°
61°
12
77°
62°
13
75°
63°
14
74°
63°
15
76°
62°
16
76°
63°
17
77°
61°
18
73°
58°
19
73°
57°
20
74°
58°
21
72°
58°
22
74°
59°
23
73°
59°
24
74°
60°
25
75°
60°
26
75°
61°
27
76°
60°
28
75°
62°
29
76°
64°
30
77°
63°
1
80°
67°
2
78°
66°
3
83°
65°
4
84°
64°
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 68° to 84°, with overnight lows between 54° and 67°. The average high for June is 75° with an average low of 60°. 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.
