S
M
T
W
T
F
S
26
86°
69°
27
87°
69°
28
89°
68°
29
89°
69°
30
88°
67°
31
85°
61°
1
81°
66°
2
83°
68°
3
82°
66°
4
85°
67°
5
89°
68°
6
86°
68°
7
87°
66°
8
82°
62°
9
84°
67°
10
84°
61°
11
85°
64°
12
88°
67°
13
89°
66°
14
90°
67°
15
89°
66°
16
90°
67°
17
90°
59°
18
86°
57°
19
82°
56°
20
81°
56°
21
81°
57°
22
82°
58°
23
82°
58°
24
83°
59°
25
85°
58°
26
86°
59°
27
88°
56°
28
82°
56°
29
82°
57°
30
83°
56°
31
85°
59°
1
86°
56°
2
81°
55°
3
80°
61°
4
86°
62°
5
86°
61°
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 80° to 90°, with overnight lows between 55° and 69°. The average high for August is 85° with an average low of 62°. 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.
