S
M
T
W
T
F
S
26
90°
68°
27
92°
68°
28
92°
67°
29
87°
66°
30
90°
67°
31
92°
69°
1
91°
68°
2
90°
69°
3
91°
69°
4
92°
68°
5
92°
69°
6
91°
69°
7
91°
68°
8
90°
69°
9
92°
68°
10
91°
67°
11
86°
67°
12
88°
66°
13
88°
64°
14
86°
65°
15
85°
67°
16
88°
67°
17
91°
66°
18
91°
68°
19
89°
67°
20
91°
68°
21
88°
67°
22
85°
68°
23
88°
68°
24
87°
67°
25
86°
64°
26
85°
62°
27
84°
62°
28
84°
67°
29
86°
67°
30
85°
66°
31
87°
65°
1
87°
64°
2
88°
63°
3
88°
62°
4
85°
60°
5
85°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Montrose
Montrose's August 2026 forecast shows daily high temperatures ranging from 84° to 92°, with overnight lows between 59° and 69°. The average high for August is 88° with an average low of 66°. 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 Montrose. See also: September | October | November.
