Meramec State Park Weather Forecast

    • 63
    • 85

    Rain Showers Likely

    • 56
    • 76

    Rain Showers Likely

    • 54
    • 78

    Mostly Sunny

    • 60
    • 80

    Partly Sunny

    • 64
    • 84

    Mostly Sunny

    • 67
    • 91

    Mostly Sunny

Today 8 Jun Franklin

Showers with a chance of Thunderstorms this Morning, then a slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. South Winds 5 to 10 Mph, becoming west this afternoon. Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 8 Jun Franklin

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Some Thunderstorms may produce heavy rainfall. Lows in the lower 60s. North Winds around 5 Mph. Gusts up to 20 Mph after midnight. Chance of rain 70 percent.

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Meramec State Park Temperature Statistics

June Temperature

Washington Regional Airport (26.1 miles)

  • Lowest 2 June, 2024

    60.8 °F
  • Average June

    73.7 °F
  • Highest 3 June, 2024

    89.6 °F

Climate (2019–Present)

Washington Regional Airport (26.1 miles)

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  • Average Low 2019–2024

    47.3 °F
  • Average 2019–2024

    57.5 °F
  • Average High 2019–2024

    68.1 °F
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