Sweet Marsh State Wildlife Management Area Weather Forecast

    • 48
    • 70

    Mostly Cloudy

    • 50
    • 61

    Mostly Cloudy

    • 54
    • 69

    Chance Rain Showers

    • 51
    • 72

    Chance Thunderstorms

    • 53
    • 69

    Chance Rain Showers

    • 55
    • 72

    Rain Showers Likely

Today 25 Oct Bremer

Partly sunny. Near steady temperature in the mid 60s. North Winds around 5 Mph.

Tonight 25 Oct Bremer

Mostly cloudy. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

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

    58.1 °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

    48.2 °F

  • Average High 2021–2026

    57.9 °F
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