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.

Overcast

46°F

8°C

Humidity 66%
Wind Speed E 8 mph
Barometer 30.25 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 21 May 11:55 pm CDT
Extended Forecast for

Hartland WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. East wind 5 to 10 mph.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64. East wind 10 to 15 mph.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 49. East wind 5 to 10 mph.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 69. East wind around 5 mph.

    High: 69 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.

    High: 75 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. East wind 5 to 10 mph.
Friday
Partly sunny, with a high near 64. East wind 10 to 15 mph.
Friday Night
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 49. East wind 5 to 10 mph.
Saturday
A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 69. East wind around 5 mph.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 52. Calm wind.
Memorial Day
Sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 83.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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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:
11:26 pm CDT May 21, 2026
Forecast Valid:
12am CDT May 22, 2026-6pm CDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation