S
M
T
W
T
F
S
28
94°
71°
29
96°
71°
30
94°
73°
1
91°
70°
2
94°
71°
3
93°
72°
4
94°
71°
5
91°
73°
6
92°
72°
7
91°
71°
8
92°
73°
9
91°
72°
10
92°
71°
11
91°
73°
12
89°
74°
13
92°
74°
14
93°
74°
15
91°
73°
16
90°
74°
17
91°
74°
18
87°
73°
19
88°
74°
20
88°
74°
21
89°
73°
22
88°
74°
23
89°
74°
24
88°
73°
25
89°
73°
26
88°
74°
27
88°
74°
28
89°
73°
29
88°
74°
30
88°
74°
31
89°
73°
1
89°
74°
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 87° to 96°, with overnight lows between 70° and 74°. The average high for July is 90° with an average low of 73°. 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.
