Mark Twain National Wildlife Refuge Weather Forecast

    • 66
    • 85

    Chance Thunderstorms

    • 65
    • 84

    Partly Sunny

    • 66
    • 86

    Mostly Sunny

    • 67
    • 88

    Sunny

    • 70
    • 90

    Mostly Sunny

    • 71
    • 91

    Mostly Sunny

Today 10 Jul Mercer

Partly sunny in the Morning, then becoming mostly cloudy. Humid with Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 10 Jul Mercer

Mostly cloudy. Humid with Lows in the mid 60s. Northeast Winds around 5 Mph.

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Mark Twain National Wildlife Refuge Temperature Statistics

July Temperature

Muscatine (19.3 miles)

  • Lowest 7 July, 2026

    62.6 °F

  • Average July

    78.6 °F

  • Highest 1 July, 2026

    95 °F

Climate (2021–2026)

Muscatine (19.3 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    63.5 °F
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