S
M
T
W
T
F
S
31
75°
59°
1
74°
58°
2
69°
56°
3
68°
56°
4
69°
59°
5
71°
60°
6
75°
60°
7
73°
59°
8
70°
57°
9
71°
58°
10
69°
57°
11
74°
62°
12
78°
63°
13
78°
63°
14
79°
65°
15
80°
65°
16
80°
64°
17
79°
64°
18
80°
63°
19
75°
63°
20
80°
65°
21
81°
64°
22
83°
64°
23
82°
65°
24
82°
66°
25
81°
63°
26
82°
60°
27
76°
58°
28
77°
60°
29
77°
61°
30
78°
62°
1
79°
61°
2
78°
61°
3
78°
62°
4
79°
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 68° to 83°, with overnight lows between 56° and 66°. 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.
