S
M
T
W
T
F
S
28
81°
59°
29
73°
50°
30
75°
61°
1
77°
57°
2
75°
55°
3
77°
52°
4
81°
57°
5
77°
63°
6
88°
61°
7
84°
61°
8
84°
61°
9
84°
64°
10
83°
59°
11
80°
59°
12
80°
57°
13
78°
59°
14
83°
61°
15
85°
62°
16
85°
61°
17
76°
58°
18
75°
56°
19
73°
55°
20
71°
54°
21
72°
54°
22
71°
55°
23
72°
56°
24
71°
56°
25
70°
58°
26
70°
58°
27
72°
57°
28
73°
56°
29
71°
53°
30
74°
56°
31
72°
58°
1
72°
58°
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 62°. The average high for July is 75° with an average low of 57°. 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.
