Echo Valley State Park Weather Forecast

    • 55
    • 77

    Decreasing Clouds

    • 66
    • 82

    Partly Sunny

    • 66
    • 87

    Partly Sunny

    • 65
    • 87

    Mostly Cloudy

    • 63
    • 83

    Slight Chance Thunderstorms

    • 63
    • 84

    Slight Chance Thunderstorms

Today 11 Sep Fayette

Mostly sunny. Highs in the upper 70s. Light Winds.

Tonight 11 Sep Fayette

Partly cloudy. Lows in the upper 50s. Southeast Winds 5 to 10 Mph.

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Echo Valley State Park Temperature Statistics

September Temperature

Oelwein Municipal Airport (20.5 miles)

  • Lowest 4 September, 2025

    41 °F

  • Average September

    58.4 °F

  • Highest 2 September, 2025

    77 °F

Climate (2020–Present)

Oelwein Municipal Airport (20.5 miles)

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  • Average Low 2020–2025

    38.3 °F

  • Average 2020–2025

    48.1 °F

  • Average High 2020–2025

    57.8 °F
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