S
M
T
W
T
F
S
26
80°
56°
27
81°
51°
28
82°
56°
29
73°
55°
30
67°
60°
31
72°
59°
1
73°
60°
2
83°
63°
3
72°
62°
4
82°
58°
5
90°
54°
6
86°
62°
7
82°
63°
8
79°
60°
9
81°
61°
10
81°
60°
11
75°
56°
12
72°
51°
13
72°
51°
14
74°
52°
15
73°
53°
16
74°
50°
17
71°
53°
18
70°
56°
19
75°
55°
20
77°
52°
21
70°
51°
22
75°
57°
23
77°
55°
24
76°
54°
25
76°
53°
26
75°
50°
27
74°
53°
28
73°
54°
29
68°
54°
30
75°
55°
31
75°
53°
1
68°
49°
2
66°
48°
3
67°
47°
4
68°
47°
5
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Maine
Maine's August 2026 forecast shows daily high temperatures ranging from 66° to 90°, with overnight lows between 47° and 63°. 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 Maine. See also: September | October | November.
