Plymouth Weather Forecast

    • 67
    • 84

    Chance Thunderstorms

    • 59
    • 77

    Becoming Sunny

    • 59
    • 76

    Partly Sunny

    • 62
    • 78

    Mostly Cloudy

    • 68
    • 81

    Rain Showers Likely

    • 61
    • 85

    Partly Sunny

    • 55
    • 75

    Partly Sunny

Today 4 Sep Sheboygan

Partly sunny with a 20 percent chance of Showers and Thunderstorms. Southeast Winds up to 5 Mph.

Tonight 4 Sep Sheboygan

Partly cloudy in the evening then becoming mostly cloudy. Slight chance of light Showers and Thunderstorms late in the evening. Slight chance of light Showers after midnight. Areas of fog in the late evening and overnight. Lows in the upper 60s. Northeast Winds up to 10 Mph. Chance of precipitation 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Plymouth Temperature Statistics

September Temperature

Sheboygan County Memorial Airport (6.2 miles)

  • Lowest 2 September, 2026

    66 °F

  • Average September

    78 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Sheboygan County Memorial Airport (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    38.9 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57.2 °F
Get WillyWeather+ to remove ads