S
M
T
W
T
F
S
26
89°
59°
27
89°
59°
28
87°
57°
29
84°
56°
30
86°
58°
31
85°
57°
1
86°
57°
2
88°
58°
3
91°
59°
4
92°
59°
5
91°
58°
6
89°
60°
7
91°
60°
8
92°
57°
9
91°
56°
10
90°
59°
11
90°
60°
12
91°
59°
13
91°
59°
14
90°
58°
15
89°
57°
16
88°
56°
17
85°
54°
18
84°
52°
19
83°
55°
20
82°
52°
21
81°
52°
22
83°
53°
23
83°
52°
24
84°
57°
25
85°
59°
26
89°
57°
27
86°
57°
28
87°
56°
29
88°
54°
30
87°
55°
31
85°
55°
1
82°
54°
2
85°
53°
3
86°
54°
4
86°
55°
5
85°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Keene
Keene's August 2026 forecast shows daily high temperatures ranging from 81° to 92°, with overnight lows between 52° and 60°. The average high for August is 87° 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 Keene. See also: September | October | November.
