S
M
T
W
T
F
S
31
67°
54°
1
66°
52°
2
66°
51°
3
67°
53°
4
67°
52°
5
66°
53°
6
67°
54°
7
68°
58°
8
69°
56°
9
68°
54°
10
68°
54°
11
70°
56°
12
74°
56°
13
73°
55°
14
72°
55°
15
73°
61°
16
75°
62°
17
79°
63°
18
78°
63°
19
81°
64°
20
82°
65°
21
82°
64°
22
81°
66°
23
82°
65°
24
83°
62°
25
82°
62°
26
82°
66°
27
81°
66°
28
84°
65°
29
84°
67°
30
83°
66°
1
84°
60°
2
82°
64°
3
82°
68°
4
80°
69°
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 51° and 69°. The average high for June is 76° with an average low of 60°. 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.
