S
M
T
W
T
F
S
31
73°
52°
1
72°
52°
2
68°
54°
3
64°
52°
4
64°
52°
5
66°
53°
6
63°
51°
7
70°
55°
8
62°
46°
9
61°
47°
10
63°
49°
11
63°
54°
12
68°
51°
13
70°
54°
14
69°
55°
15
71°
54°
16
69°
54°
17
71°
56°
18
73°
55°
19
71°
55°
20
72°
54°
21
73°
55°
22
73°
55°
23
72°
54°
24
72°
55°
25
71°
55°
26
73°
54°
27
73°
54°
28
74°
56°
29
74°
56°
30
73°
55°
1
71°
55°
2
70°
56°
3
74°
56°
4
74°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Dedham
Dedham's June 2026 forecast shows daily high temperatures ranging from 61° to 74°, with overnight lows between 46° and 57°. The average high for June is 70° with an average low of 54°. 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 Dedham. See also: July | August | September.