Meramec State Park Weather Forecast

    • 13
    • 34

    Increasing Clouds

    • 12
    • 22

    Mostly Sunny

    • 29
    • 40

    Partly Sunny

    • 21
    • 47

    Partly Sunny

    • 24
    • 38

    Partly Sunny

    • 16
    • 41

    Chance Snow

    • 7
    • 26

    Chance Snow

Today 18 Jan Franklin

Sunny. Highs in the mid 30s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 18 Jan Franklin

Mostly clear in the Evening, then becoming partly cloudy. Lows around 12. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Wind chill Values as low as zero after midnight.

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  • Temperature Real-Time

Meramec State Park Temperature Statistics

January Temperature

Washington Regional Airport (26.1 miles)

  • Lowest 15 January, 2026

    15.8 °F

  • Average January

    40.9 °F

  • Highest 6 January, 2026

    68 °F

Climate (2021–Present)

Washington Regional Airport (26.1 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    69.2 °F
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