Sun Prairie, WI Weather

Updated: Sun Apr 20th 2025 11:00 AM CDT
Partly Cloudy

50°F 10°C

Feels Like 45°F / 7°C

Sun Prairie, WI  weather condition is Partly Cloudy and 50°F.

Today's Weather in Sun Prairie,WI

The current weather in Sun Prairie WI as of 11:00 AM CDT on Sun Apr 20th 2025, has a sky condition of Partly Cloudy with the visibility of 9 mile(s) and the UV index at 4.6. It is 50 degrees fahrenheit but feels like 45 degrees. The barometric pressure is 30.29 - measured by inches of mercury - and is steady since its last observation. The humidity is 61 percent that's falling since the last report, with a dew point of 41 degrees fahrenheit which is rising. Wind direction is from the East-Southeast at 15.4 miles per hour, gusting at 18.1 miles per hour. Sunrise was at 6:06 AM and Sunset is at 7:46 PM. The moon phase is a Last Quarter moon rising at 2:30 AM. Thank you for listening to the weather report from LocalConditions.com!

Listen to this weather report - press Read

  • Barometer 30.29 inHg. falling
  • Humidity 61% falling
  • Heat Index 52°F
  • Wind from ESE. 15.4 mph
  • Wind Gust 18.1 miles per hour
  • Wind Chill 47°F
  • UV Index 4.6
  • Dew Point 41°F rising
  • Visibility 9 mi.
  • Sunrise 6:06 AM
  • Sunset 7:46 PM
  • Moonrise 2:30 AM
  • Moonset 11:10 AM
  • Moon Phase Last Quarter Moon

Hourly Forecast - Next 8 hours

5 Day Forecast

Moderate Rain

Moderate Rain with a high of 50°F and a low of 38°F. Probable rainfall forecasted, having an 86% chance with an estimated 0.52in. Winds will be strong at speeds peaking at 25mph. Expect high humidity with levels above 80% to 90%.

Temperature Humidity Rainfall Snow Wind
Hi 50° | Lo 38° 90% 86% | est. 0.52in 0% 24.2 mph

Moderate Rain

Moderate Rain with a high of 58°F and a low of 33°F. Probable rainfall forecasted, having an 87% chance with an estimated 0.24in. Winds will be moderate, blowing around 17mph. Expect high humidity with levels above 80% to 84%.

Temperature Humidity Rainfall Snow Wind
Hi 58° | Lo 33° 84% 87% | est. 0.24in 0% 16.1 mph

Patchy Rain Nearby

Patchy Rain Nearby with a high of 68°F and a low of 39°F. Probable rainfall forecasted, having an 83% chance with an estimated 0.06in. Winds will be moderate, blowing around 12mph. Expect high humidity with levels above 80% to 81%.

Temperature Humidity Rainfall Snow Wind
Hi 68° | Lo 39° 81% 83% | est. 0.06in 0% 11.2 mph

Patchy Rain Nearby

Patchy Rain Nearby with a high of 68°F and a low of 52°F. Probable rainfall forecasted, having an 82% chance with an estimated 0.15in. Winds will be moderate, blowing around 14mph. Expect high humidity with levels above 80% to 82%.

Temperature Humidity Rainfall Snow Wind
Hi 68° | Lo 52° 82% 82% | est. 0.15in 0% 13.2 mph

Cloudy

Cloudy with a high of 62°F and a low of 44°F. Winds will be strong at speeds peaking at 21mph. Expect high humidity with levels above 80% to 82%.

Temperature Humidity Rainfall Snow Wind
Hi 62° | Lo 44° 82% 0% | est. 0in 0% 20.4 mph

Weather Radar Map

With the potential for severe weather, especially in areas prone to flooding and other adverse conditions, it's important to stay updated with local forecasts and advisories, check out the current and projected visualizations below for accurate Sun Prairie, WI weather - as well as surrounding cities related to this location - which offers live data and granular precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Thursday, as you toggle through each layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the forecasts. Be Well and Stay Safe!

Hourly Temperature

 

The current temperature today is 50°F. The morning temperature of 35°F is lowest at 5am with the daytime high of 53°F at 12pm and a low around 45°F at 7pm is expected.

Hourly Barometric Pressure

 

The highest pressure today is 30.39inHg at 8am and lowest being 29.87inHg at 11pm.

Hourly Wind Speeds

 

The fastest wind is reported to be 23.9mph at 11pm, while the slowest is 5.6mph around 12am; expect wind gusts peaking 35mph at 11pm.

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