S
M
T
W
T
F
S
26
84°
72°
27
85°
73°
28
85°
73°
29
84°
72°
30
86°
73°
31
85°
74°
1
87°
73°
2
86°
74°
3
88°
75°
4
89°
74°
5
88°
75°
6
87°
74°
7
86°
74°
8
87°
73°
9
88°
74°
10
86°
74°
11
86°
73°
12
87°
74°
13
87°
74°
14
88°
73°
15
87°
74°
16
89°
73°
17
90°
72°
18
91°
73°
19
90°
73°
20
91°
72°
21
90°
71°
22
91°
70°
23
91°
71°
24
90°
70°
25
90°
69°
26
89°
69°
27
87°
68°
28
87°
68°
29
88°
69°
30
88°
69°
31
89°
68°
1
86°
68°
2
86°
70°
3
90°
70°
4
90°
72°
5
91°
71°
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 91°, with overnight lows between 68° and 75°. The average high for August is 88° with an average low of 72°. 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.
