Sweet Marsh State Wildlife Management Area Weather Forecast

    • 43
    • 65

    Sunny

    • 45
    • 65

    Partly Sunny

    • 47
    • 67

    Mostly Sunny

    • 50
    • 70

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

    • 54
    • 74

    Partly Sunny

Today 18 Oct Bremer

Sunny. Highs in the mid 60s. South Winds 15 to 20 Mph.

Tonight 18 Oct Bremer

Mostly clear. Lows in the lower 40s. South Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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Sweet Marsh State Wildlife Management Area Temperature Statistics

October Temperature

Oelwein Municipal Airport (16.2 miles)

  • Lowest 16 October, 2026

    37.4 °F

  • Average October

    60.1 °F

  • Highest 12 October, 2026

    87.8 °F

Climate (2021–2026)

Oelwein Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57.8 °F
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