S
M
T
W
T
F
S
31
68°
44°
1
58°
49°
2
75°
49°
3
80°
60°
4
89°
59°
5
88°
65°
6
87°
62°
7
82°
59°
8
74°
56°
9
86°
59°
10
90°
62°
11
90°
68°
12
88°
69°
13
90°
73°
14
91°
69°
15
83°
67°
16
79°
60°
17
77°
60°
18
81°
63°
19
82°
66°
20
78°
60°
21
80°
60°
22
74°
63°
23
75°
60°
24
78°
60°
25
81°
63°
26
77°
63°
27
83°
65°
28
81°
64°
29
80°
66°
30
79°
67°
1
81°
68°
2
81°
67°
3
82°
65°
4
78°
66°
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 74° to 83°, with overnight lows between 60° and 68°. The average high for June is 79° with an average low of 64°. 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.
