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.

Fair

37°F

3°C

Humidity 41%
Wind Speed NW 10 G 18 mph
Barometer 30.42 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 23 Mar 12:45 pm CDT
Extended Forecast for

Hartland WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 42. North wind around 10 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 27. East wind 5 to 10 mph becoming south after midnight.

    Low: 27 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. Southwest wind around 10 mph.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. South wind around 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. South wind 5 to 10 mph.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. Southwest wind around 5 mph.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain, mainly after 1pm. Mostly cloudy, with a high near 65. Southwest wind 5 to 10 mph becoming north in the afternoon.

    High: 65 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A slight chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 25. North wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain/Snow

  • Friday

    Friday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 42. North wind around 10 mph.
Tonight
Increasing clouds, with a low around 27. East wind 5 to 10 mph becoming south after midnight.
Tuesday
Partly sunny, with a high near 51. Southwest wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 35. South wind around 5 mph.
Wednesday
Partly sunny, with a high near 60. South wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 47. Southwest wind around 5 mph.
Thursday
A 30 percent chance of rain, mainly after 1pm. Mostly cloudy, with a high near 65. Southwest wind 5 to 10 mph becoming north in the afternoon.
Thursday Night
A slight chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 25. North wind 10 to 15 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 25.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 56.
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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:
1:21 pm CDT Mar 23, 2026
Forecast Valid:
1pm CDT Mar 23, 2026-6pm CDT Mar 29, 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