S
M
T
W
T
F
S
28
71°
57°
29
72°
59°
30
72°
61°
1
74°
59°
2
73°
59°
3
72°
60°
4
73°
59°
5
76°
62°
6
73°
60°
7
74°
61°
8
76°
63°
9
77°
61°
10
76°
65°
11
74°
67°
12
75°
66°
13
79°
63°
14
79°
64°
15
80°
69°
16
82°
67°
17
81°
68°
18
80°
66°
19
80°
68°
20
82°
66°
21
81°
68°
22
81°
66°
23
80°
62°
24
76°
62°
25
74°
63°
26
76°
63°
27
74°
65°
28
75°
65°
29
76°
67°
30
82°
66°
31
82°
68°
1
80°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Harwich
Harwich's July 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 57° and 69°. The average high for July is 77° with an average low of 64°. 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 Harwich. See also: August | September | October.
