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.

Mostly Cloudy

72°F

22°C

Humidity 73%
Wind Speed W 14 G 25 mph
Barometer 29.86 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 May 10:45 am CDT
Extended Forecast for

Hartland WI

  • Today

    Today: Mostly cloudy, with a high near 71. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 71 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Northwest wind around 10 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. North wind 5 to 10 mph becoming east in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. Northeast wind 5 to 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 57. East wind 5 to 10 mph.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. East wind 5 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 59. East wind around 10 mph.

    High: 59 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Northeast wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 71. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 43. Northwest wind around 10 mph.
Wednesday
Mostly sunny, with a high near 58. North wind 5 to 10 mph becoming east in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 40. Northeast wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 57. East wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 44. East wind 5 to 10 mph.
Friday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 59. East wind around 10 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Northeast wind 5 to 10 mph. Chance of precipitation is 50%.
Saturday
Mostly cloudy, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 53.
Memorial Day
Mostly sunny, with a high near 80.
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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:
11:06 am CDT May 19, 2026
Forecast Valid:
11am CDT May 19, 2026-6pm CDT May 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