S
M
T
W
T
F
S
31
76°
49°
1
82°
60°
2
71°
51°
3
81°
47°
4
85°
51°
5
90°
61°
6
93°
66°
7
94°
71°
8
79°
56°
9
82°
52°
10
91°
70°
11
98°
76°
12
99°
72°
13
89°
71°
14
95°
67°
15
85°
66°
16
81°
61°
17
90°
63°
18
95°
74°
19
83°
59°
20
88°
64°
21
91°
72°
22
93°
71°
23
85°
67°
24
86°
67°
25
85°
70°
26
87°
71°
27
89°
68°
28
91°
70°
29
86°
71°
30
87°
71°
1
86°
72°
2
85°
69°
3
83°
71°
4
85°
72°
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 83° to 93°, with overnight lows between 59° and 72°. The average high for June is 87° with an average low of 69°. 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.
