S
M
T
W
T
F
S
31
98°
77°
1
98°
77°
2
97°
75°
3
90°
73°
4
83°
73°
5
89°
73°
6
N/A
7
85°
74°
8
94°
76°
9
95°
75°
10
93°
76°
11
92°
75°
12
90°
75°
13
93°
74°
14
90°
71°
15
89°
70°
16
87°
69°
17
92°
70°
18
93°
71°
19
89°
68°
20
86°
71°
21
87°
72°
22
89°
72°
23
87°
71°
24
91°
72°
25
91°
72°
26
90°
71°
27
92°
72°
28
93°
73°
29
93°
72°
30
92°
73°
1
93°
73°
2
94°
72°
3
94°
74°
4
93°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Boston
Boston's June 2026 forecast shows daily high temperatures ranging from 85° to 95°, with overnight lows between 68° and 76°. The average high for June is 91° with an average low of 72°. 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.
