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

52°F

11°C

Humidity 50%
Wind Speed E 9 G 17 mph
Barometer 30.35 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 21 May 1:45 pm CDT
Extended Forecast for

Hartland WI

  • This Afternoon

    This Afternoon: A slight chance of sprinkles. Mostly cloudy, with a high near 55. Northeast wind around 10 mph.

    High: 55 °F

    Slight Chance
    Sprinkles

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. East wind around 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 62. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 48. East wind 5 to 10 mph.

    Low: 48 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 67. Northeast wind around 5 mph.

    High: 67 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49. Northeast wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    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 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of sprinkles. Mostly cloudy, with a high near 55. Northeast wind around 10 mph.
Tonight
Mostly cloudy, with a low around 44. East wind around 10 mph.
Friday
Partly sunny, with a high near 62. East wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 48. East wind 5 to 10 mph.
Saturday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 67. Northeast wind around 5 mph.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49. Northeast wind around 5 mph becoming calm in the evening.
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 81.
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.
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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:
1:34 pm CDT May 21, 2026
Forecast Valid:
2pm CDT May 21, 2026-6pm CDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation