Plymouth Weather Forecast

    • 64
    • 78

    Rain Showers Likely

    • 61
    • 73

    Rain Showers Likely

    • 61
    • 73

    Chance Thunderstorms

    • 61
    • 78

    Chance Thunderstorms

    • 56
    • 77

    Slight Chance Thunderstorms

    • 55
    • 72

    Mostly Sunny

Today 18 Sep Hennepin

Partly sunny. Slight chance of Thunderstorms in the Morning, then chance of Thunderstorms in the afternoon. Highs in the upper 70s. Southeast Winds 5 to 10 Mph. Chance of Thunderstorms 40 percent.

Tonight 18 Sep Hennepin

Showers likely and chance of Thunderstorms in the Evening, then chance of Thunderstorms after midnight. Lows in the mid 60s. East Winds 5 to 10 Mph. Chance of precipitation 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plymouth Temperature Statistics

September Temperature

Minneapolis, Crystal Airport (6.2 miles)

  • Lowest 7 September, 2025

    42.1 °F

  • Average September

    63.8 °F

  • Highest 14 September, 2025

    87.1 °F

Climate (2020–Present)

Minneapolis, Crystal Airport (6.2 miles)

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  • Average Low 2020–2025

    38.7 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    57.5 °F
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