S
M
T
W
T
F
S
26
78°
60°
27
79°
60°
28
78°
59°
29
78°
60°
30
76°
60°
31
79°
59°
1
79°
60°
2
80°
58°
3
80°
57°
4
79°
59°
5
76°
56°
6
78°
57°
7
79°
58°
8
78°
57°
9
77°
55°
10
80°
56°
11
78°
54°
12
78°
57°
13
75°
57°
14
78°
53°
15
72°
50°
16
71°
49°
17
73°
50°
18
71°
50°
19
72°
48°
20
73°
49°
21
71°
51°
22
74°
54°
23
75°
55°
24
78°
54°
25
78°
50°
26
77°
53°
27
75°
49°
28
68°
54°
29
72°
55°
30
76°
49°
31
75°
45°
1
71°
44°
2
66°
46°
3
67°
44°
4
66°
45°
5
66°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chesuncook
Chesuncook's August 2026 forecast shows daily high temperatures ranging from 66° to 80°, with overnight lows between 44° and 60°. The average high for August is 75° with an average low of 53°. 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 Chesuncook. See also: September | October | November.