S
M
T
W
T
F
S
28
91°
74°
29
90°
73°
30
89°
71°
1
87°
72°
2
89°
74°
3
90°
73°
4
90°
74°
5
89°
74°
6
91°
73°
7
92°
74°
8
92°
74°
9
91°
73°
10
88°
74°
11
86°
74°
12
88°
73°
13
89°
74°
14
90°
73°
15
87°
74°
16
87°
74°
17
88°
73°
18
88°
74°
19
89°
74°
20
87°
72°
21
87°
70°
22
88°
71°
23
88°
73°
24
89°
71°
25
88°
72°
26
88°
73°
27
91°
69°
28
88°
68°
29
89°
69°
30
92°
72°
31
89°
73°
1
88°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Collinston
Collinston's July 2026 forecast shows daily high temperatures ranging from 86° to 92°, with overnight lows between 68° and 74°. The average high for July is 89° 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 Collinston. See also: August | September | October.