S
M
T
W
T
F
S
26
83°
66°
27
84°
65°
28
83°
65°
29
83°
64°
30
82°
65°
31
78°
61°
1
79°
59°
2
79°
63°
3
78°
64°
4
79°
64°
5
82°
65°
6
86°
66°
7
88°
67°
8
87°
66°
9
86°
65°
10
87°
65°
11
87°
64°
12
86°
65°
13
85°
65°
14
80°
61°
15
78°
55°
16
80°
55°
17
79°
54°
18
78°
52°
19
80°
51°
20
76°
51°
21
76°
55°
22
77°
51°
23
78°
54°
24
80°
54°
25
82°
56°
26
86°
60°
27
83°
59°
28
86°
51°
29
78°
50°
30
73°
50°
31
72°
51°
1
73°
48°
2
74°
54°
3
79°
54°
4
81°
56°
5
73°
54°
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 72° to 88°, with overnight lows between 48° and 67°. The average high for August is 81° with an average low of 59°. 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.
