S
M
T
W
T
F
S
26
79°
62°
27
81°
64°
28
81°
62°
29
82°
64°
30
83°
66°
31
82°
59°
1
82°
65°
2
84°
66°
3
83°
60°
4
84°
59°
5
80°
60°
6
80°
59°
7
83°
59°
8
79°
60°
9
80°
65°
10
84°
64°
11
82°
62°
12
84°
64°
13
84°
65°
14
83°
65°
15
81°
64°
16
85°
58°
17
84°
57°
18
78°
57°
19
77°
59°
20
76°
59°
21
78°
56°
22
77°
62°
23
79°
63°
24
82°
64°
25
85°
63°
26
85°
54°
27
82°
55°
28
75°
54°
29
75°
55°
30
76°
59°
31
77°
61°
1
82°
62°
2
82°
59°
3
81°
56°
4
81°
60°
5
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in North Windham
North Windham's August 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 54° and 66°. The average high for August is 81° with an average low of 61°. 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 North Windham. See also: September | October | November.