Sweet Marsh State Wildlife Management Area Weather Forecast

    • 64
    • 77

    Increasing Clouds

    • 71
    • 86

    Mostly Cloudy

    • 74
    • 90

    Partly Sunny

    • 70
    • 91

    Mostly Sunny

    • 66
    • 87

    Partly Sunny

    • 66
    • 86

    Slight Chance Thunderstorms

Today 24 Jul Bremer

Mostly cloudy after Midnight, then becoming mostly sunny. Highs in the upper 70s. South Winds 10 to 15 Mph.

Tonight 24 Jul Bremer

Mostly cloudy. Lows in the mid 60s. South Winds 10 to 15 Mph.

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Sweet Marsh State Wildlife Management Area Temperature Statistics

July Temperature

Oelwein Municipal Airport (16.2 miles)

  • Lowest 6 July, 2026

    64.4 °F

  • Average July

    74.7 °F

  • Highest 1 July, 2026

    87.8 °F

Climate (2021–2026)

Oelwein Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    58.2 °F
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