S
M
T
W
T
F
S
28
72°
62°
29
74°
58°
30
71°
59°
1
73°
61°
2
75°
65°
3
73°
66°
4
78°
63°
5
79°
66°
6
79°
64°
7
78°
63°
8
78°
63°
9
79°
62°
10
77°
62°
11
80°
67°
12
80°
63°
13
78°
60°
14
75°
61°
15
75°
62°
16
76°
61°
17
76°
68°
18
77°
64°
19
81°
63°
20
80°
62°
21
76°
61°
22
76°
62°
23
77°
61°
24
76°
63°
25
76°
69°
26
80°
69°
27
80°
68°
28
77°
69°
29
81°
69°
30
83°
68°
31
82°
69°
1
82°
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 83°, with overnight lows between 58° 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.
