S
M
T
W
T
F
S
31
73°
37°
1
66°
44°
2
74°
40°
3
81°
46°
4
83°
47°
5
86°
51°
6
86°
56°
7
80°
60°
8
76°
59°
9
80°
50°
10
83°
59°
11
90°
68°
12
89°
70°
13
84°
61°
14
85°
58°
15
73°
52°
16
74°
46°
17
77°
51°
18
85°
63°
19
79°
64°
20
79°
55°
21
79°
50°
22
70°
53°
23
69°
61°
24
80°
57°
25
82°
52°
26
80°
64°
27
79°
62°
28
80°
59°
29
85°
64°
30
86°
68°
1
95°
72°
2
96°
73°
3
96°
68°
4
89°
65°
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 79° to 96°, with overnight lows between 59° and 73°. The average high for June is 88° with an average low of 66°. 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.
