7-Day Forecast 43.14°N 88.24°W (Text-Only)
NWS Forecast for: Sussex WI
Issued by: National Weather Service Milwaukee, WI
Last Update: 1:32 pm CST Mar 6, 2026
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  • This
    Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms, mainly between 4pm and 5pm.  Patchy fog before 4pm.  Otherwise, cloudy, with a high near 60. South wind 10 to 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers
    Likely and
    Patchy Fog



  • Tonight

    Tonight: Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am.  Patchy fog after 1am. Low around 54. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Chance
    Showers then
    T-storms and
    Patchy Fog


  • Saturday

    Saturday: A 50 percent chance of showers before 11am.  Patchy fog before 11am.  Otherwise, cloudy, with a temperature falling to around 44 by 5pm. Breezy, with a southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 57 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy and
    Breezy

  • Saturday
    Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Southwest wind 10 to 15 mph.

    Low: 33 °F

    Decreasing
    Clouds




  • Sunday

    Sunday: Sunny, with a high near 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 59 °F

    Sunny and
    Breezy




  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 46. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Partly Cloudy





  • Monday

    Monday: Sunny, with a high near 67. West wind 5 to 15 mph.

    High: 67 °F

    Sunny





  • Monday
    Night

    Monday Night: Mostly clear, with a low around 38. West wind 5 to 10 mph becoming northeast after midnight.

    Low: 38 °F

    Mostly Clear





  • Tuesday

    Tuesday: A 50 percent chance of rain after noon.  Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny
    then Chance
    Rain





  • This Afternoon: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms, mainly between 4pm and 5pm. Patchy fog before 4pm. Otherwise, cloudy, with a high near 60. South wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Tonight: Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog after 1am. Low around 54. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Saturday: A 50 percent chance of showers before 11am. Patchy fog before 11am. Otherwise, cloudy, with a temperature falling to around 44 by 5pm. Breezy, with a southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Southwest wind 10 to 15 mph.

    Sunday: Sunny, with a high near 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    Sunday Night: Partly cloudy, with a low around 46. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Monday: Sunny, with a high near 67. West wind 5 to 15 mph.

    Monday Night: Mostly clear, with a low around 38. West wind 5 to 10 mph becoming northeast after midnight.

    Tuesday: A 50 percent chance of rain after noon. Mostly sunny, with a high near 49.

    Tuesday Night: Rain likely, mainly before midnight. Cloudy, with a low around 31. Chance of precipitation is 60%.

    Wednesday: A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.

    Wednesday Night: A 20 percent chance of snow. Mostly clear, with a low around 24.

    Thursday: Mostly sunny, with a high near 45.

    Thursday Night: A slight chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.

    Friday: A 20 percent chance of rain. Mostly cloudy, with a high near 54. Breezy.



    Sussex WI
     43.14°N 88.24°W (Elev. 951 ft)

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