S
M
T
W
T
F
S
31
68°
44°
1
58°
49°
2
75°
49°
3
80°
60°
4
88°
62°
5
88°
65°
6
88°
67°
7
81°
56°
8
65°
53°
9
74°
57°
10
77°
64°
11
79°
63°
12
76°
61°
13
80°
62°
14
77°
62°
15
76°
61°
16
76°
63°
17
75°
60°
18
74°
64°
19
78°
64°
20
79°
63°
21
79°
62°
22
74°
58°
23
74°
59°
24
75°
65°
25
75°
66°
26
81°
64°
27
76°
60°
28
75°
62°
29
76°
62°
30
77°
61°
1
76°
61°
2
76°
62°
3
81°
67°
4
83°
68°
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 65° to 88°, with overnight lows between 53° and 68°. The average high for June is 78° with an average low of 62°. 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.
