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 70%
Wind Speed NW 3 mph
Barometer 30.00 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 21 Nov 5:45 pm CST
Extended Forecast for

Hartland WI

  • Tonight

    Tonight: Mostly clear, with a low around 25. Northwest wind around 5 mph becoming calm.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 47. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 47 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Northwest wind 5 to 10 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51. Northwest wind around 5 mph.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. Calm wind becoming south around 5 mph.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers after noon. Increasing clouds, with a high near 53. South wind 5 to 10 mph.

    High: 53 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers. Low around 43. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers. Mostly cloudy, with a high near 52. South wind 5 to 10 mph becoming west in the afternoon.

    High: 52 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 25. Northwest wind around 5 mph becoming calm.
Saturday
Increasing clouds, with a high near 47. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 31. Northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 51. Northwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 33. Calm wind becoming south around 5 mph.
Monday
A 30 percent chance of showers after noon. Increasing clouds, with a high near 53. South wind 5 to 10 mph.
Monday Night
Showers. Low around 43. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 52. South wind 5 to 10 mph becoming west in the afternoon.
Tuesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Partly cloudy, with a low around 21.
Thanksgiving Day
Mostly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 33.
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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:
6:07 pm CST Nov 21, 2025
Forecast Valid:
6pm CST Nov 21, 2025-6pm CST Nov 28, 2025
 
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