Napoleon, OH Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Napoleon, OH.

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Current Conditions — Napoleon, OH

WAUSEON (KUSE)

Clear

69.8 F
Humidity:35%
Wind Speed:W 11.4 mph
Barometer:29.92 in
Dewpoint:41.0 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 21 2026, 05:55 PM EDT
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5-Day Forecast — Napoleon, OH

Tuesday

High 75 °F
Mostly Cloudy
Tuesday
Night
Low 53 °F
T-storms Likely
Wednesday

High 77 °F
Partly Sunny
Wednesday
Night
Low 55 °F
Partly Cloudy
Thursday

High 80 °F
Partly Sunny
Thursday
Night
Low 57 °F
Partly Cloudy
Friday

High 77 °F
T-storms Likely
Friday
Night
Low 55 °F
T-storms Likely
Saturday

High 68 °F
Rain Showers Likely

Detailed Forecast — Napoleon, OH

Tuesday
Mostly Cloudy. High near 75°F. Wind 16 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Thunderstorms Likely. Low around 53°F. Wind 6 to 14 mph, with gusts as high as 22 mph.
Wednesday
Partly Sunny. High near 77°F. Wind 3 to 6 mph, with gusts as high as 12 mph.
Wednesday Night
Partly Cloudy. Low around 55°F. Wind 2 to 3 mph, with gusts as high as 9 mph.
Thursday
Partly Sunny. High near 80°F. Wind 3 to 8 mph, with gusts as high as 15 mph.
Thursday Night
Partly Cloudy. Low around 57°F. Wind 5 to 6 mph, with gusts as high as 12 mph.
Friday
Thunderstorms Likely. High near 77°F. Wind 6 to 13 mph, with gusts as high as 21 mph.
Friday Night
Thunderstorms Likely. Low around 55°F. Wind 6 to 8 mph, with gusts as high as 16 mph.
Saturday
Rain Showers Likely. High near 68°F. Wind 8 to 12 mph, with gusts as high as 17 mph.
Saturday Night
Mostly Cloudy. Low around 46°F. Wind 6 to 10 mph, with gusts as high as 17 mph.
Sunday
Mostly Cloudy. High near 68°F. Wind 7 to 10 mph, with gusts as high as 17 mph.
Sunday Night
Partly Cloudy. Low around 48°F. Wind 7 to 9 mph, with gusts as high as 17 mph.
Monday
Chance of Rain Showers. High near 73°F. Wind 9 to 14 mph, with gusts as high as 23 mph.
OH Radar
Current Radar • OH
Day 1 Outlook • April 21, 2026

Observation History — Napoleon, OH

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
05:55 PM EDT W 11.4 10.00 Clear -- 69.8 41.0 35% NA NA 29.92 1013.2
05:35 PM EDT W 15.0 10.00 Clear -- 71.6 39.2 31% NA 70.0 29.91 1012.9
05:15 PM EDT 18.3 10.00 Clear -- 71.6 39.2 31% NA 70.0 29.90 1012.5
04:55 PM EDT 16.1 G 21.9 10.00 Clear -- 73.4 39.2 29% NA 71.8 29.89 1012.2
04:35 PM EDT 18.3 G 28.9 10.00 Clear -- 73.4 39.2 29% NA 71.8 29.90 1012.5
04:05 PM EDT G 31.1 10.00 Clear -- 73.4 41.0 31% NA 72.0 29.90 1012.5
03:55 PM EDT 21.9 G 32.2 10.00 Clear and Windy -- 73.4 41.0 31% NA 72.0 29.91 1012.9
03:35 PM EDT 18.3 G 30.0 9.00 Clear -- 73.4 41.0 31% NA 72.0 29.92 1013.2
03:15 PM EDT G 30.0 10.00 Clear -- 73.4 41.0 31% NA 72.0 29.94 1013.6
02:45 PM EDT G 35.8 9.00 Clear -- 71.6 % NA NA 29.94 1013.6
02:15 PM EDT G 31.1 10.00 Clear -- 71.6 % NA NA 29.95 1014.2
01:45 PM EDT SW 19.7 G 28.9 10.00 Clear and Windy -- 69.8 41.0 35% NA NA 29.97 1014.9
01:35 PM EDT SW 17.2 G 24.2 10.00 Clear -- 69.8 41.0 35% NA NA 29.97 1014.9
01:15 PM EDT 17.2 G 24.2 9.00 Clear -- 68.0 41.0 37% NA NA 29.98 1015.2
12:55 PM EDT SW 18.3 G 26.4 9.00 Clear -- 66.2 41.0 40% NA NA 30.00 1015.9
12:35 PM EDT 9.00 Clear -- 64.4 39.2 39% NA NA 30.01 1016.3
12:15 PM EDT 9.00 Clear -- 62.6 37.4 39% NA NA 30.02 1016.6
11:55 AM EDT 10.00 Clear -- 60.8 37.4 42% NA NA 30.04 1017.3
11:35 AM EDT SW 18.3 G 25.3 10.00 Clear -- 59.0 35.6 41% NA NA 30.05 1017.6
11:15 AM EDT SW 19.7 10.00 Clear and Windy -- 59.0 35.6 41% NA NA 30.06 1018.0
10:55 AM EDT 17.2 9.00 Clear -- 57.2 33.8 41% NA NA 30.08 1018.6
10:10 AM EDT G 23.0 10.00 Clear -- 53.6 30.2 41% NA NA 30.09 1019.0
09:55 AM EDT 10.00 Clear -- 51.8 28.4 40% NA NA 30.09 1019.0
09:35 AM EDT G 25.3 10.00 Mostly Clear -- 50.0 28.4 43% NA NA 30.12 1019.7

Regional Weather Observation

WAUSEON (KUSE)

Clear
69.8 F

ADRIAN (KADG)

Light Rain
68.0 F

DEFIANCE (KDFI)

Clear
69.8 F

HILLSDALE (KJYM)

Light Rain
64.4 F

TOLEDO (KTOL)

Clear
71.6 F

OTTAWA (KOWX)

Clear
NULL F
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