Meramec State Park Weather Forecast

    • 53
    • 81

    Rain Showers

    • 44
    • 63

    Rain Showers

    • 41
    • 58

    Chance Rain Showers

    • 44
    • 65

    Mostly Sunny

    • 48
    • 73

    Slight Chance Thunderstorms

    • 51
    • 76

    Chance Rain Showers

Today 4 May Franklin

Mostly sunny. A slight chance of Showers and Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the lower 80s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.

Tonight 4 May Franklin

Mostly cloudy with a chance of Thunderstorms. Showers likely. Lows in the lower 50s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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Meramec State Park Temperature Statistics

May Temperature

Washington Regional Airport (26.1 miles)

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Climate (2021–Present)

Washington Regional Airport (26.1 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    69.5 °F
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