S
M
T
W
T
F
S
26
88°
70°
27
89°
67°
28
88°
67°
29
89°
68°
30
90°
66°
31
92°
71°
1
94°
70°
2
90°
70°
3
89°
69°
4
88°
66°
5
88°
69°
6
89°
68°
7
87°
68°
8
87°
70°
9
88°
70°
10
88°
71°
11
89°
71°
12
88°
68°
13
90°
72°
14
93°
67°
15
90°
67°
16
90°
71°
17
93°
72°
18
93°
70°
19
91°
69°
20
89°
68°
21
87°
67°
22
89°
67°
23
91°
70°
24
91°
71°
25
87°
70°
26
92°
71°
27
92°
72°
28
93°
72°
29
93°
71°
30
92°
65°
31
89°
66°
1
88°
66°
2
90°
69°
3
89°
69°
4
91°
68°
5
90°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Collbran
Collbran's August 2026 forecast shows daily high temperatures ranging from 87° to 94°, with overnight lows between 65° and 72°. The average high for August is 90° with an average low of 69°. 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 Collbran. See also: September | October | November.