S
M
T
W
T
F
S
28
77°
63°
29
79°
64°
30
78°
65°
1
79°
64°
2
80°
66°
3
78°
65°
4
77°
65°
5
77°
64°
6
78°
62°
7
72°
64°
8
74°
66°
9
76°
66°
10
74°
65°
11
74°
67°
12
75°
67°
13
75°
68°
14
77°
67°
15
75°
67°
16
75°
68°
17
76°
68°
18
75°
67°
19
76°
68°
20
77°
68°
21
78°
67°
22
76°
69°
23
77°
69°
24
77°
68°
25
78°
69°
26
79°
69°
27
81°
68°
28
80°
70°
29
78°
69°
30
76°
69°
31
79°
70°
1
81°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in South Harwich
South Harwich's July 2026 forecast shows daily high temperatures ranging from 72° to 81°, with overnight lows between 62° and 70°. The average high for July is 77° with an average low of 67°. 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 South Harwich. See also: August | September | October.
