Chesterfield Weather Forecast

    • 28
    • 41

    Increasing Clouds

    • 28
    • 39

    Mostly Cloudy

    • 25
    • 42

    Mostly Cloudy

    • 25
    • 41

    Mostly Sunny

    • 35
    • 45

    Partly Sunny

    • 41
    • 60

    Mostly Cloudy

    • 36
    • 62

    Mostly Cloudy

Today 31 Dec St. Louis

Mostly cloudy. Near steady temperature around 40. West Winds 10 to 15 Mph.

Tonight 31 Dec St. Louis

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 20s. West Winds around 5 Mph, becoming north after midnight.

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Chesterfield Temperature Statistics

December Temperature

St. Louis, Spirit Of St. Louis Airport (3.7 miles)

  • Lowest 14 December, 2025

    7 °F

  • Average December

    37.7 °F

  • Highest 28 December, 2025

    77 °F

Climate (2020–Present)

St. Louis, Spirit Of St. Louis Airport (3.7 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    68.3 °F
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