Matson Weather Forecast

    • 47
    • 56

    Increasing Clouds

    • 23
    • 56

    Rain Showers

    • 33
    • 42

    Partly Sunny

    • 26
    • 58

    Mostly Cloudy

    • 30
    • 44

    Mostly Cloudy

    • 41
    • 49

    Mostly Cloudy

    • 42
    • 61

    Mostly Cloudy

Today 17 Dec St. Charles

Sunny. Highs in the mid 50s. Southeast Winds around 5 Mph.

Tonight 17 Dec St. Charles

Mostly cloudy. Isolated Showers after midnight. Not as cool with Lows in the mid 40s. Temperature rising into the lower 50s after midnight. South Winds 15 to 20 Mph. Chance of rain 20 percent.

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Matson Temperature Statistics

December Temperature

St. Louis, Spirit Of St. Louis Airport (8.1 miles)

  • Lowest 14 December, 2025

    7 °F

  • Average December

    29.4 °F

  • Highest 9 December, 2025

    57 °F

Climate (2020–Present)

St. Louis, Spirit Of St. Louis Airport (8.1 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    57 °F

  • Average High 2020–2025

    68.2 °F
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