Chesterfield Weather Forecast

    • 18
    • 73

    Chance Rain

    • 17
    • 30

    Partly Sunny

    • 27
    • 36

    Mostly Sunny

    • 26
    • 45

    Partly Sunny

    • 22
    • 43

    Partly Sunny

    • 32
    • 46

    Partly Sunny

Today 28 Dec St. Louis

Cloudy. A chance of rain with a slight chance of Thunderstorms. Breezy and not as cool with Highs in the lower 70s. Temperature falling into the mid 50s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming west 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 50 percent.

Tonight 28 Dec St. Louis

Mostly cloudy in the Evening, then clearing. Windy and much cooler with Lows around 19. West Winds 20 to 30 Mph with Gusts up to 45 Mph. Wind chill Values as low as zero after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesterfield Temperature Statistics

December Temperature

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

  • Lowest 14 December, 2025

    7 °F

  • Average December

    37.2 °F

  • Highest 26 December, 2025

    69.1 °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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