S
M
T
W
T
F
S
26
75°
62°
27
81°
60°
28
78°
62°
29
82°
60°
30
78°
56°
31
74°
55°
1
75°
55°
2
78°
59°
3
80°
62°
4
83°
61°
5
77°
61°
6
78°
59°
7
81°
60°
8
82°
61°
9
80°
54°
10
75°
55°
11
74°
53°
12
75°
54°
13
72°
52°
14
74°
52°
15
76°
57°
16
77°
58°
17
72°
54°
18
74°
52°
19
77°
52°
20
80°
53°
21
81°
59°
22
81°
60°
23
76°
56°
24
80°
54°
25
78°
49°
26
71°
50°
27
71°
54°
28
72°
54°
29
69°
56°
30
70°
57°
31
75°
54°
1
72°
52°
2
74°
49°
3
71°
48°
4
73°
50°
5
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Montague
Montague's August 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 48° and 62°. The average high for August is 76° with an average low of 56°. 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 Montague. See also: September | October | November.