Sweet Marsh State Wildlife Management Area Weather Forecast

    • 52
    • 75

    Mostly Sunny

    • 55
    • 74

    Partly Sunny

    • 53
    • 73

    Mostly Cloudy

    • 49
    • 68

    Mostly Cloudy

    • 44
    • 61

    Chance Rain Showers

    • 42
    • 56

    Slight Chance Rain Showers

Today 22 Oct Bremer

Sunny. Highs in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 22 Oct Bremer

Mostly clear. Lows in the lower 50s. Southeast Winds around 5 Mph.

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Sweet Marsh State Wildlife Management Area Temperature Statistics

October Temperature

Oelwein Municipal Airport (16.2 miles)

  • Lowest 17 October, 2026

    30.2 °F

  • Average October

    57.9 °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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