S
M
T
W
T
F
S
28
83°
62°
29
79°
60°
30
78°
59°
1
79°
62°
2
81°
62°
3
80°
60°
4
80°
64°
5
83°
65°
6
81°
65°
7
82°
64°
8
81°
66°
9
81°
66°
10
82°
65°
11
84°
66°
12
82°
66°
13
81°
65°
14
82°
66°
15
82°
65°
16
83°
61°
17
81°
64°
18
81°
62°
19
82°
63°
20
83°
60°
21
86°
64°
22
86°
65°
23
84°
66°
24
86°
60°
25
85°
59°
26
82°
59°
27
83°
60°
28
83°
60°
29
84°
59°
30
83°
60°
31
83°
66°
1
87°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Dedham
Dedham's July 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 59° and 66°. The average high for July is 82° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Dedham. See also: August | September | October.
