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.

Mostly Cloudy

39°F

4°C

Humidity 45%
Wind Speed NW 16 G 23 mph
Barometer 30.38 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 27 Mar 3:45 pm CDT
Extended Forecast for

Hartland WI

  • Tonight

    Tonight: Mostly clear, with a low around 21. Northwest wind 10 to 15 mph becoming light after midnight.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 48. Light southwest wind increasing to 10 to 15 mph in the morning.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. Southwest wind around 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. Southwest wind around 10 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. South wind around 5 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70. Southeast wind 5 to 10 mph.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Rain Likely

  • Tuesday

    Tuesday: A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 21. Northwest wind 10 to 15 mph becoming light after midnight.
Saturday
Sunny, with a high near 48. Light southwest wind increasing to 10 to 15 mph in the morning.
Saturday Night
Partly cloudy, with a low around 36. Southwest wind around 10 mph.
Sunday
Partly sunny, with a high near 62. Southwest wind around 10 mph.
Sunday Night
Partly cloudy, with a low around 42. South wind around 5 mph.
Monday
Mostly sunny, with a high near 70. Southeast wind 5 to 10 mph.
Monday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Wednesday
A slight chance of rain and snow before 10am, then a slight chance of snow. Partly sunny, with a high near 43. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 29.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 52.
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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:
2:36 pm CDT Mar 27, 2026
Forecast Valid:
4pm CDT Mar 27, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation