S
M
T
W
T
F
S
28
81°
61°
29
73°
50°
30
79°
61°
1
75°
57°
2
75°
55°
3
75°
50°
4
78°
60°
5
78°
59°
6
83°
59°
7
81°
59°
8
84°
59°
9
85°
61°
10
82°
60°
11
80°
59°
12
80°
59°
13
78°
58°
14
77°
58°
15
80°
59°
16
79°
57°
17
74°
57°
18
76°
58°
19
75°
57°
20
70°
53°
21
74°
58°
22
73°
55°
23
72°
55°
24
74°
58°
25
74°
57°
26
73°
56°
27
72°
55°
28
75°
59°
29
75°
58°
30
74°
58°
31
73°
55°
1
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Harleston
Harleston's July 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 53° and 61°. The average high for July is 77° with an average low of 58°. 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 Harleston. See also: August | September | October.
