S
M
T
W
T
F
S
26
88°
68°
27
88°
69°
28
89°
69°
29
89°
70°
30
93°
72°
31
92°
72°
1
89°
71°
2
89°
71°
3
90°
72°
4
89°
70°
5
89°
72°
6
93°
68°
7
88°
68°
8
88°
70°
9
89°
69°
10
88°
73°
11
90°
70°
12
91°
71°
13
90°
73°
14
91°
71°
15
89°
71°
16
89°
69°
17
90°
71°
18
90°
72°
19
89°
72°
20
88°
71°
21
88°
72°
22
92°
72°
23
93°
71°
24
94°
73°
25
94°
73°
26
93°
71°
27
91°
72°
28
92°
72°
29
92°
71°
30
91°
70°
31
91°
69°
1
90°
68°
2
90°
69°
3
89°
68°
4
90°
71°
5
91°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Collinston
Collinston's August 2026 forecast shows daily high temperatures ranging from 88° to 94°, with overnight lows between 68° and 73°. The average high for August is 90° with an average low of 71°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Collinston. See also: September | October | November.
