S
M
T
W
T
F
S
26
77°
58°
27
79°
59°
28
78°
60°
29
79°
59°
30
80°
60°
31
80°
60°
1
79°
59°
2
74°
56°
3
73°
52°
4
73°
56°
5
72°
53°
6
73°
53°
7
75°
57°
8
78°
58°
9
79°
59°
10
79°
59°
11
78°
58°
12
78°
58°
13
79°
59°
14
80°
58°
15
80°
59°
16
77°
58°
17
75°
59°
18
80°
59°
19
78°
56°
20
76°
51°
21
74°
49°
22
72°
49°
23
72°
51°
24
73°
52°
25
72°
49°
26
71°
54°
27
72°
50°
28
71°
49°
29
70°
48°
30
70°
47°
31
71°
46°
1
69°
48°
2
70°
48°
3
69°
49°
4
67°
48°
5
70°
48°
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 67° to 80°, with overnight lows between 46° and 60°. The average high for August is 75° with an average low of 54°. 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.
