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

46°F

8°C

Humidity 62%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Mar 11:45 am CDT
Extended Forecast for

Hartland WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 48. Calm wind becoming east around 5 mph.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. East wind around 5 mph becoming southwest after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 52. West wind 5 to 10 mph becoming northwest in the afternoon.

    High: 52 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 62. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 39. South wind 5 to 10 mph becoming north after midnight.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 45. North wind 10 to 15 mph.

    High: 45 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. North wind 5 to 10 mph.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 48. Calm wind becoming east around 5 mph.
Tonight
Mostly cloudy, with a low around 34. East wind around 5 mph becoming southwest after midnight.
Friday
Mostly cloudy, with a high near 52. West wind 5 to 10 mph becoming northwest in the afternoon.
Friday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Saturday
Mostly sunny, with a high near 62. Light south wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 39. South wind 5 to 10 mph becoming north after midnight.
Sunday
A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 45. North wind 10 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 25. North wind 5 to 10 mph.
Monday
Sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Mostly cloudy, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 51.
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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:
11:47 am CDT Mar 19, 2026
Forecast Valid:
12pm CDT Mar 19, 2026-6pm CDT Mar 25, 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