National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Partly Cloudy

76°F

24°C

Humidity 57%
Wind Speed NW 3 mph
Barometer 30.03 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 27 Aug 12:15 pm CDT
Extended Forecast for

East Troy WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. Northwest wind around 5 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 57. Northeast wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 80. Southwest wind 5 to 10 mph.

    High: 80 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind 5 to 10 mph.

    Low: 67 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 86. Southwest wind around 15 mph. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 71. South wind around 10 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. Northwest wind around 5 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 57. Northeast wind around 5 mph becoming calm.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 80. Southwest wind 5 to 10 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind 5 to 10 mph.
Sunday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 86. Southwest wind around 15 mph. Chance of precipitation is 30%.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 71. South wind around 10 mph.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Troy WI
 42.78°N 88.41°W (Elev. 830 ft)
Last Update:
12:31 pm CDT Aug 27, 2026
Forecast Valid:
12pm CDT Aug 27, 2026-6pm CDT Sep 2, 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