Valmeyer Weather Forecast

    • 55
    • 73

    Drizzle

    • 59
    • 72

    Mostly Cloudy

    • 48
    • 73

    Partly Sunny

    • 56
    • 70

    Mostly Cloudy

    • 21
    • 63

    Mostly Sunny

    • 18
    • 31

    Mostly Sunny

Today 24 Dec Monroe

Partly sunny. Highs in the lower 70s. South Winds 5 to 10 Mph.

Tonight 24 Dec Monroe

Partly cloudy this Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 50s. Southwest Winds around 5 Mph.

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Valmeyer Temperature Statistics

December Temperature

St. Louis Downtown Airport (19.9 miles)

  • Lowest 14 December, 2025

    7 °F

  • Average December

    32.7 °F

  • Highest 18 December, 2025

    57.9 °F

Climate (2020–Present)

St. Louis Downtown Airport (19.9 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    68.6 °F
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