S
M
T
W
T
F
S
31
67°
58°
1
67°
54°
2
66°
54°
3
66°
55°
4
67°
59°
5
68°
60°
6
74°
60°
7
74°
61°
8
75°
62°
9
76°
61°
10
73°
58°
11
70°
55°
12
71°
56°
13
70°
55°
14
71°
59°
15
72°
63°
16
73°
62°
17
71°
60°
18
71°
60°
19
73°
61°
20
73°
59°
21
74°
58°
22
74°
65°
23
77°
66°
24
81°
66°
25
80°
63°
26
74°
62°
27
74°
62°
28
76°
65°
29
82°
67°
30
84°
63°
1
84°
64°
2
79°
63°
3
78°
62°
4
79°
63°
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 66° to 84°, with overnight lows between 54° and 67°. The average high for June is 74° 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.
