S
M
T
W
T
F
S
26
86°
68°
27
87°
65°
28
87°
65°
29
88°
66°
30
87°
65°
31
89°
67°
1
91°
66°
2
89°
67°
3
87°
68°
4
87°
64°
5
88°
67°
6
87°
65°
7
86°
65°
8
85°
66°
9
86°
67°
10
86°
67°
11
87°
66°
12
86°
66°
13
87°
67°
14
91°
66°
15
90°
65°
16
90°
66°
17
89°
68°
18
90°
66°
19
85°
64°
20
89°
65°
21
86°
66°
22
86°
64°
23
89°
66°
24
89°
67°
25
85°
66°
26
89°
67°
27
90°
68°
28
89°
67°
29
89°
67°
30
88°
62°
31
88°
63°
1
86°
62°
2
86°
64°
3
85°
64°
4
87°
62°
5
86°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Napoleon
Napoleon's August 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 62° and 68°. The average high for August is 88° with an average low of 66°. 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 Napoleon. See also: September | October | November.
