S
M
T
W
T
F
S
31
67°
47°
1
68°
47°
2
70°
51°
3
74°
53°
4
74°
56°
5
73°
59°
6
70°
55°
7
71°
54°
8
76°
59°
9
75°
59°
10
73°
57°
11
75°
58°
12
72°
52°
13
72°
57°
14
71°
49°
15
68°
48°
16
68°
48°
17
69°
50°
18
70°
53°
19
71°
57°
20
73°
57°
21
74°
58°
22
74°
58°
23
72°
58°
24
74°
53°
25
71°
51°
26
72°
59°
27
74°
59°
28
72°
57°
29
72°
55°
30
73°
56°
1
72°
56°
2
73°
60°
3
76°
60°
4
75°
55°
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 67° to 76°, with overnight lows between 47° and 60°. The average high for June is 72° with an average low of 55°. 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.