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Napoleon, MI

94°F
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Napoleon

Michigan

94°
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Napoleon, MI Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities
Extreme Heat Warning

August

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
26
Mostly sunny and humid
85°
64°
27
Partly sunny and humid
86°
64°
28
Partly sunny and humid
85°
65°
29
Partly sunny and humid
86°
63°
30
Mostly sunny and humid
85°
64°
31
A shower and thunderstorm
85°
63°
1
Clouds and sun; less humid
82°
62°
2
Sun and some clouds
78°
59°
3
Sun and some clouds
78°
62°
4
A stray afternoon t-shower
81°
63°
5
Plenty of sunshine
81°
62°
6
Plenty of sunshine
84°
62°
7
Plenty of sunshine
84°
62°
8
Mostly cloudy
85°
63°
9
Mostly cloudy and humid
85°
64°
10
Mostly sunny and humid
84°
63°
11
Plenty of sunshine
85°
63°
12
Warm with sun and some clouds
85°
62°
13
Mostly cloudy and warm
86°
64°
14
Mostly sunny, warm and humid
87°
61°
15
Humid with a t-storm or two
87°
61°
16
Showers around in the morning
78°
62°
17
A few afternoon showers
83°
59°
18
A shower and t-storm; humid
83°
59°
19
Humid with a few showers
85°
55°
20
Humid with a few showers
81°
53°
21
Mostly sunny and less humid
77°
52°
22
Plenty of sun
77°
53°
23
Mostly sunny
78°
55°
24
A thunderstorm in spots
78°
52°
25
Times of clouds and sun
77°
55°
26
Mostly sunny
78°
56°
27
Mostly cloudy
78°
54°
28
A thunderstorm in spots
82°
53°
29
A.M. rain; otherwise, cloudy
76°
53°
30
Cloudy with a little rain
75°
52°
31
Morning rain; overcast
75°
52°
1
A little rain in the morning
76°
53°
2
Partly sunny
75°
52°
3
Clouds and sun
76°
52°
4
Mostly sunny
77°
51°
5
Partly sunny
77°
51°

Temperature Graph

°F
90° 82° 74° 66° 58° Aug
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
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 75° to 87°, with overnight lows between 51° and 65°. The average high for August is 81° with an average low of 58°. 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.

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World North America United States Michigan Napoleon

Weather Near Napoleon:

  • East Lansing, MI
  • Jackson, MI
  • Lansing, MI
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