Live Weather & Forecast

Weather in Town of Decatur

Wisconsin, United States · Real-time conditions & 3-day outlook

Flag of United States
Light rain
14°C
Feels like 14°C
58°F / Feels 56°F
Light rain
Town of Decatur, Wisconsin
🌙 Nighttime
Updated: 2026-04-15 23:15
💧
Humidity
99%
💨
Wind
12.6 km/h SSW
🌬️
Wind Gust
26.5 km/h
🌡️
Pressure
1006 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
3.35 mm
☁️
Cloud Cover
100%
💦
Dew Point
13.8°C
🌐
Wind Degree
206°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
152.9 μg/m³
NO₂
3.9 μg/m³
O₃
54 μg/m³
SO₂
1 μg/m³
PM 2.5
4.1 μg/m³
PM 10
4.2 μg/m³

Weather Alerts 5

Met · Severe · Future
Flood Watch issued April 15 at 11:17AM CDT until April 16 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

* WHAT...Areal flooding and flash flooding caused by excessive rainfall from thunderstorms is possible. * WHERE...Portions of east central, south central, and southeast Wisconsin, including the following counties, in east central Wisconsin, Fond du Lac and Sheboygan. In south central Wisconsin, Columbia, Dane, Green, Green Lake, Iowa, Lafayette, Marquette, Rock and Sauk. In southeast Wisconsin, D...

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Met · Severe · Immediate
Flash Flood Warning issued April 15 at 7:26PM CDT until April 15 at 10:30PM CDT by NWS Milwaukee/Sullivan WI

FFWMKX The National Weather Service in Milwaukee/Sullivan has issued a * Flash Flood Warning for... Southeastern Dane County in south central Wisconsin... Green County in south central Wisconsin... Central Lafayette County in south central Wisconsin... Northern Rock County in south central Wisconsin... Jefferson County in southeastern Wisconsin... Northwestern Walworth County in southeastern Wis...

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Met · Severe · Future
Flood Watch issued April 15 at 1:52PM CDT until April 16 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

* WHAT...Areal flooding and flash flooding caused by excessive rainfall from thunderstorms is possible. * WHERE...Portions of east central, south central, and southeast Wisconsin, including the following counties, in east central Wisconsin, Fond du Lac and Sheboygan. In south central Wisconsin, Columbia, Dane, Green, Green Lake, Iowa, Lafayette, Marquette, Rock and Sauk. In southeast Wisconsin, D...

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Met · Severe · Future
Flood Watch issued April 15 at 11:19AM CDT by NWS Milwaukee/Sullivan WI

...The National Weather Service in Milwaukee/Sullivan WI has issued a Flood Watch for the following rivers in Wisconsin... Fox River Lower At Waukesha affecting Waukesha County. ...The Flood Watch is extended for the following rivers in Wisconsin... Fox River Near Berlin affecting Green Lake County. ...Forecast flooding changed from Minor to Moderate severity and increased in duration for the...

If you are in the watch area, remain alert to possible flooding. Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. Additional information is available at www.weather.gov. The next statement will be issued this eveni...

Met · Severe · Future
Flood Watch issued April 15 at 5:56PM CDT by NWS Milwaukee/Sullivan WI

...The National Weather Service in Milwaukee/Sullivan WI has issued a Flood Watch for the following rivers in Wisconsin... Rock River At Fort Atkinson affecting Jefferson County. ...The Flood Watch is extended for the following rivers in Wisconsin...Illinois... Rock River At Afton affecting Winnebago and Rock Counties. Crawfish River At Milford affecting Jefferson County. ...The Flood Watch c...

If you are in the watch area, remain alert to possible flooding. Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. Additional information is available at www.weather.gov. The next statement will be issued late tonig...

Today's Hourly Forecast

24-hour breakdown for Town of Decatur, Wisconsin

12 AM
Mist
18°
Mist
💧 95% 💨 19.4 km/h 🌧️ 100%
1 AM
Patchy rain nearby
18°
Patchy rain nearby
💧 93% 💨 17.6 km/h 🌧️ 100%
2 AM
Patchy rain nearby
18°
Patchy rain nearby
💧 93% 💨 16.9 km/h 🌧️ 100%
3 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 89% 💨 23.4 km/h 🌧️ 100%
4 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 91% 💨 11.9 km/h 🌧️ 100%
5 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 88% 💨 11.9 km/h 🌧️ 100%
6 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 92% 💨 16.9 km/h 🌧️ 100%
7 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 90% 💨 14 km/h 🌧️ 100%
8 AM
Sunny
17°
Sunny
💧 91% 💨 11.5 km/h
9 AM
Sunny
18°
Sunny
💧 88% 💨 16.2 km/h
10 AM
Sunny
19°
Sunny
💧 88% 💨 15.5 km/h
11 AM
Sunny
20°
Sunny
💧 82% 💨 17.6 km/h
12 PM
Partly Cloudy
20°
Partly Cloudy
💧 81% 💨 16.6 km/h
1 PM
Sunny
20°
Sunny
💧 84% 💨 19.4 km/h
2 PM
Patchy rain nearby
20°
Patchy rain nearby
💧 84% 💨 22.7 km/h 🌧️ 65%
3 PM
Patchy rain nearby
22°
Patchy rain nearby
💧 89% 💨 23.4 km/h 🌧️ 100%
4 PM
Patchy rain nearby
22°
Patchy rain nearby
💧 83% 💨 13.3 km/h 🌧️ 77%
5 PM
Sunny
22°
Sunny
💧 83% 💨 17.6 km/h
6 PM
Patchy rain nearby
20°
Patchy rain nearby
💧 87% 💨 17.6 km/h 🌧️ 100%
7 PM
Patchy rain nearby
19°
Patchy rain nearby
💧 91% 💨 16.2 km/h 🌧️ 100%
8 PM
Patchy rain nearby
18°
Patchy rain nearby
💧 92% 💨 13.3 km/h 🌧️ 75%
9 PM
Heavy rain
17°
Heavy rain
💧 97% 💨 15.5 km/h 🌧️ 100%
10 PM
Patchy rain nearby
16°
Patchy rain nearby
💧 94% 💨 13.7 km/h 🌧️ 100%
11 PM
Light rain
14°
Light rain
💧 99% 💨 12.6 km/h 🌧️ 100%

3-Day Forecast

Daily overview for Town of Decatur, Wisconsin

Today
Heavy rain
Heavy rain
23° / 15°
🌧️ 87% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 23.4 km/h
🌧️ Total precip: 46.56 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:16 AM
🌇 Sunset: 07:40 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
Patchy rain nearby
23° / 13°
🌧️ 82% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 16.6 km/h
🌧️ Total precip: 4.52 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:41 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Heavy rain
Heavy rain
26° / 11°
🌧️ 86% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 45.7 km/h
🌧️ Total precip: 93.23 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:13 AM
🌇 Sunset: 07:43 PM
🌙 New Moon
🌑 Moon: 0% lit

Best Time to Visit Town of Decatur

Plan your trip to Town of Decatur, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Town of Decatur 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Town of Decatur?
Current conditions in Town of Decatur: Light rain, temperature 14°C, humidity 99%.
What is the best time to visit Town of Decatur?
The best time to visit Town of Decatur is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Town of Decatur?
Town of Decatur is located at approximately 42.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Town of Decatur?
The wettest period in Town of Decatur is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Town of Decatur?
For visits to Town of Decatur during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Town of Decatur in?
Town of Decatur is located in United States, in the state of Wisconsin.
What are the public holidays in Town of Decatur in 2026?
View the 2026 public holidays for Town of Decatur on our Holidays page.
What are the GPS coordinates used for the weather forecast in Town of Decatur?
The weather forecast for Town of Decatur uses coordinates 42.6369, -89.4263.