Live Weather & Forecast
Weather in Sun Prairie
Wisconsin, United States · Real-time conditions & 3-day outlook
25°C
Feels like 27°C
78°F / Feels 80°F
Sunny
Sun Prairie, Wisconsin
🌞 Daytime
Updated: 2026-04-12 17:30
Humidity
57%
Wind
32 km/h SW
Wind Gust
48.4 km/h
Pressure
1006 mb
Visibility
10 km
UV Index
0.4
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
17.5°C
Wind Degree
219°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
145.9 μg/m³
NO₂
3.9 μg/m³
O₃
76 μg/m³
SO₂
1.4 μg/m³
PM 2.5
2.8 μg/m³
PM 10
2.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Sun Prairie, Wisconsin
12 AM
9°
Patchy rain nearby
1 AM
9°
Patchy rain nearby
2 AM
9°
Patchy rain nearby
3 AM
9°
Clear
4 AM
9°
Clear
5 AM
10°
Clear
6 AM
11°
Clear
7 AM
12°
Patchy rain nearby
8 AM
13°
Patchy rain nearby
9 AM
16°
Patchy rain nearby
10 AM
18°
Sunny
11 AM
20°
Sunny
12 PM
23°
Sunny
1 PM
23°
Sunny
2 PM
24°
Overcast
3 PM
25°
Sunny
4 PM
26°
Sunny
5 PM
25°
Sunny
6 PM
24°
Patchy rain nearby
7 PM
21°
Patchy rain nearby
8 PM
19°
Patchy rain nearby
9 PM
18°
Light rain
10 PM
17°
Moderate rain
11 PM
17°
Heavy rain
3-Day Forecast
Daily overview for Sun Prairie, Wisconsin
Today
Moderate rain
27°
/
8°
🌧️ 88% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 38.5 km/h
🌧️ Total precip: 18.4 mm
☀️ UV Index: 1
🌅 Sunrise: 06:19 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Patchy rain nearby
21°
/
16°
🌧️ 79% chance of rain
💧 Avg. humidity: 95%
💨 Max wind: 32 km/h
🌧️ Total precip: 0.96 mm
☀️ UV Index: 1
🌅 Sunrise: 06:18 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Heavy rain
25°
/
18°
🌧️ 82% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 31.3 km/h
🌧️ Total precip: 27.3 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:16 AM
🌇 Sunset: 07:39 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Sun Prairie
Plan your trip to Sun Prairie, 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.
Frequently Asked Questions
What is the current weather in Sun Prairie?
Current conditions in Sun Prairie: Sunny, temperature 25°C, humidity 57%.
What is the best time to visit Sun Prairie?
The best time to visit Sun Prairie is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Sun Prairie?
Sun Prairie is located at approximately 43.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Sun Prairie?
The wettest period in Sun Prairie is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Sun Prairie?
For visits to Sun Prairie during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Sun Prairie in?
Sun Prairie is located in United States, in the state of Wisconsin.
What are the public holidays in Sun Prairie in 2026?
View the 2026 public holidays for Sun Prairie on our Holidays page.
What are the GPS coordinates used for the weather forecast in Sun Prairie?
The weather forecast for Sun Prairie uses coordinates 43.1835, -89.2134.