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

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

41°F

5°C

Humidity 81%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 20 Mar 9:35 pm CDT
Extended Forecast for

Hartland WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. North wind around 5 mph becoming calm.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65. Southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43. Southwest wind 5 to 10 mph becoming north after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain. Cloudy, with a high near 44. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. North wind 5 to 10 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. North wind around 5 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. East wind around 5 mph becoming south after midnight.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53. South wind 5 to 10 mph becoming west in the afternoon.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. North wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 65. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 43. Southwest wind 5 to 10 mph becoming north after midnight.
Sunday
A 20 percent chance of rain. Cloudy, with a high near 44. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 26. North wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 44. North wind around 5 mph.
Monday Night
Partly cloudy, with a low around 30. East wind around 5 mph becoming south after midnight.
Tuesday
Mostly cloudy, with a high near 53. South wind 5 to 10 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 59. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hartland WI
 43.1°N 88.36°W (Elev. 1001 ft)
Last Update:
9:34 pm CDT Mar 20, 2026
Forecast Valid:
9pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation