Meramec State Park Weather Forecast

    • 68
    • 91

    Mostly Sunny

    • 70
    • 92

    Mostly Sunny

    • 72
    • 91

    Slight Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

    • 68
    • 88

    Chance Thunderstorms

    • 69
    • 89

    Chance Thunderstorms

Today 3 Jul Franklin

Sunny. Highs in the lower 90s. Southwest Winds around 5 Mph.

Tonight 3 Jul Franklin

Mostly clear. Lows in the upper 60s. South Winds around 5 Mph.

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Meramec State Park Temperature Statistics

July Temperature

Washington Regional Airport (26.1 miles)

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  • Average July

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Climate (2020–Present)

Washington Regional Airport (26.1 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.6 °F
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