National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Partly Cloudy

36°F

2°C

Humidity 52%
Wind Speed S 6 mph
Barometer 29.98 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 9 Feb 2:45 pm CST
Extended Forecast for

Hartland WI

  • Tonight

    Tonight: Cloudy, with a low around 31. South wind around 5 mph becoming northwest after midnight.

    Low: 31 °F

    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 37. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 37 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. Northwest wind around 10 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 31. Northwest wind 5 to 10 mph.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 18. Northwest wind around 5 mph becoming calm.

    Low: 18 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 33. Calm wind.

    High: 33 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 39. Calm wind becoming southwest around 5 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 31. South wind around 5 mph becoming northwest after midnight.
Tuesday
Partly sunny, with a high near 37. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 21. Northwest wind around 10 mph.
Wednesday
Partly sunny, with a high near 31. Northwest wind 5 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 18. Northwest wind around 5 mph becoming calm.
Thursday
Mostly cloudy, with a high near 33. Calm wind.
Thursday Night
Partly cloudy, with a low around 21. Calm wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 39. Calm wind becoming southwest around 5 mph.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly cloudy, with a high near 40.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 29.
Sunday
A 40 percent chance of snow. Mostly sunny, with a high near 39.
Sunday Night
A slight chance of rain and snow. Partly cloudy, with a low around 27. Chance of precipitation is 20%.
Washington's Birthday
Mostly cloudy, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hartland WI
 43.1°N 88.36°W (Elev. 1001 ft)
Last Update:
3:07 pm CST Feb 9, 2026
Forecast Valid:
3pm CST Feb 9, 2026-6pm CST Feb 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation