Marathon Weather Forecast

    • 44
    • 57

    Rain Showers

    • 36
    • 59

    Slight Chance Rain Showers

    • 46
    • 63

    Partly Sunny

    • 57
    • 68

    Chance Thunderstorms

    • 47
    • 82

    Chance Thunderstorms

    • 39
    • 62

    Slight Chance Thunderstorms

Today 24 Apr Buena Vista

A slight chance of Thunderstorms. Showers. Much cooler with Highs in the upper 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 24 Apr Buena Vista

Showers with Thunderstorms likely in the Evening, then Showers likely with a chance of Thunderstorms after midnight. Lows in the mid 40s. Northeast Winds around 15 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

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Marathon Temperature Statistics

April Temperature

Storm Lake (21.7 miles)

  • Lowest 8 April, 2025

    21.2 °F

  • Average April

    46.7 °F

  • Highest 17 April, 2025

    80.6 °F

Climate (2020–Present)

Storm Lake (21.7 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    58.5 °F
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