Meramec State Park Weather Forecast

    • 32
    • 52

    Mostly Sunny

    • 34
    • 54

    Decreasing Clouds

    • 41
    • 61

    Chance Rain

    • 43
    • 54

    Rain Likely

    • 37
    • 57

    Mostly Sunny

    • 47
    • 64

    Mostly Cloudy

    • 53
    • 67

    Mostly Cloudy

Today 11 Feb Franklin

Sunny. Much cooler with Highs in the lower 50s. North Winds around 5 Mph.

Tonight 11 Feb Franklin

Mostly clear. Lows in the lower 30s. Light and variable Winds.

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Meramec State Park Temperature Statistics

February Temperature

Washington Regional Airport (26.1 miles)

  • Lowest 1 February, 2026

    -4 °F

  • Average February

    32.9 °F

  • Highest 9 February, 2026

    64.4 °F

Climate (2021–Present)

Washington Regional Airport (26.1 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    69 °F
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