S
M
T
W
T
F
S
31
66°
57°
1
73°
56°
2
72°
59°
3
72°
58°
4
73°
59°
5
74°
57°
6
72°
55°
7
74°
54°
8
72°
54°
9
69°
56°
10
72°
60°
11
72°
54°
12
75°
61°
13
77°
62°
14
79°
63°
15
80°
63°
16
80°
64°
17
79°
63°
18
80°
61°
19
80°
63°
20
79°
64°
21
75°
65°
22
82°
65°
23
83°
66°
24
82°
67°
25
83°
62°
26
82°
59°
27
77°
58°
28
76°
58°
29
77°
60°
30
77°
64°
1
78°
66°
2
80°
62°
3
78°
61°
4
78°
62°
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 83°, with overnight lows between 54° and 67°. The average high for June is 77° 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.
