Napoleon, IN Weather Forecast

Local 7-day forecast

75°
F

Chance Rain Showers then Slight Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Napoleon, IN in one place.

Thursday, October 15, 2026
Wind: 6 mph SE
Thursday

A chance of rain showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Southeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Napoleon, IN is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 14, 2026 7:12 AM EDT.

The active forecast window currently covers Oct 15 to Oct 20, 2026 for Napoleon, IN.

Page Snapshot

Page focus
city weather
Forecast window
Oct 15 to Oct 20, 2026
Latest sync
Oct 14, 2026 7:12 AM EDT
Forecast office
ILN
Source
NOAA / NWS
Next High
75°F
Thursday
Next Low
58°F
Thursday Night
Rain Outlook
4
Periods mentioning precipitation
Windiest
12 to 17 mph
Friday

Daily Outlook

Today
Oct 15
Chance Rain Showers then Slight Chance Showers And Thunderstorms
75 °F
/ 58°F
Wind 6 mph
Fri
Oct 16
Rain Showers Likely
62 °F
/ 38°F
Wind 12 to 17 mph
Sat
Oct 17
Sunny
55 °F
/ 35°F
Wind 2 to 6 mph
Sun
Oct 18
Sunny
63 °F
/ 43°F
Wind 2 to 6 mph
Mon
Oct 19
Mostly Sunny
65 °F
/ 47°F
Wind 6 mph
Tue
Oct 20
Mostly Sunny
69 °F
Wind 3 mph

This Week in Napoleon

Thursday looks like the warmest upcoming period in Napoleon at 75 degrees F.

Saturday Night is the coolest period ahead with temperatures near 35 degrees F.

The strongest winds are forecast for Friday at about 12 to 17 mph W.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
Oct 14, 2026 7:12 AM EDT
Coverage
6 days
Time zone
America/Indiana/Indianapolis
Forecast office
ILN
Radar station
KIND

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Thursday Night
Oct 15
58°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
5 to 10 mph SW

A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 58. Southwest wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Friday
Oct 16
62°F
Rain Showers Likely
12 to 17 mph W

Rain showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

Friday Night
Oct 16
38°F
Slight Chance Rain Showers then Partly Cloudy
7 to 16 mph NW

A slight chance of rain showers before 8pm. Partly cloudy, with a low around 38.

Saturday
Oct 17
55°F
Sunny
2 to 6 mph N

Sunny, with a high near 55.

Saturday Night
Oct 17
35°F
Clear
2 mph E

Clear, with a low around 35.

Sunday
Oct 18
63°F
Sunny
2 to 6 mph S

Sunny, with a high near 63.

Sunday Night
Oct 18
43°F
Mostly Clear
3 mph S

Mostly clear, with a low around 43.

Monday
Oct 19
65°F
Mostly Sunny
6 mph S

Mostly sunny, with a high near 65.

Monday Night
Oct 19
47°F
Mostly Cloudy
3 mph S

Mostly cloudy, with a low around 47.

Tuesday
Oct 20
69°F
Mostly Sunny
3 mph SE

Mostly sunny, with a high near 69.

Detailed Forecast

Period Conditions Temp Wind
Thursday
Oct 15
Chance Rain Showers then Slight Chance Showers And Thunderstorms
75°F
6 mph
SE
Thursday Night
Oct 15
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
58°F
5 to 10 mph
SW
Friday
Oct 16
Rain Showers Likely
62°F
12 to 17 mph
W
Friday Night
Oct 16
Slight Chance Rain Showers then Partly Cloudy
38°F
7 to 16 mph
NW
Saturday
Oct 17
Sunny
55°F
2 to 6 mph
N
Saturday Night
Oct 17
Clear
35°F
2 mph
E
Sunday
Oct 18
Sunny
63°F
2 to 6 mph
S
Sunday Night
Oct 18
Mostly Clear
43°F
3 mph
S
Monday
Oct 19
Mostly Sunny
65°F
6 mph
S
Monday Night
Oct 19
Mostly Cloudy
47°F
3 mph
S
Tuesday
Oct 20
Mostly Sunny
69°F
3 mph
SE
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.