S
M
T
W
T
F
S
26
79°
57°
27
80°
57°
28
79°
56°
29
80°
57°
30
79°
57°
31
79°
56°
1
80°
57°
2
81°
55°
3
81°
54°
4
80°
56°
5
77°
53°
6
79°
52°
7
80°
54°
8
79°
55°
9
76°
52°
10
81°
53°
11
78°
52°
12
80°
54°
13
73°
53°
14
77°
50°
15
73°
46°
16
72°
46°
17
74°
47°
18
75°
46°
19
72°
45°
20
73°
45°
21
73°
46°
22
77°
51°
23
74°
52°
24
80°
52°
25
79°
50°
26
80°
48°
27
74°
46°
28
71°
50°
29
73°
51°
30
79°
43°
31
75°
41°
1
70°
39°
2
68°
42°
3
69°
40°
4
67°
41°
5
67°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Allagash
Allagash's August 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 39° and 57°. The average high for August is 76° with an average low of 50°. 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 Allagash. See also: September | October | November.
