Marvin Weather Forecast

    • 58
    • 68

    Rain Showers Likely

    • 56
    • 65

    Rain Showers Likely

    • 55
    • 68

    Slight Chance Thunderstorms

    • 59
    • 75

    Partly Sunny

    • 55
    • 74

    Mostly Sunny

    • 54
    • 68

    Sunny

Today 18 Sep Grant

Mostly cloudy with a 30 percent chance of Thunderstorms. Near steady temperature in the lower 70s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 18 Sep Grant

Mostly cloudy. A chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Patchy fog after midnight. Lows in the upper 50s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

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Marvin Temperature Statistics

September Temperature

Ortonville, Ortonville Muncipal-Martinson Field Airport (23.6 miles)

  • Lowest 7 September, 2025

    39.2 °F

  • Average September

    63.4 °F

  • Highest 14 September, 2025

    87.8 °F

Climate (2020–Present)

Ortonville, Ortonville Muncipal-Martinson Field Airport (23.6 miles)

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    54.9 °F
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