Fenton Weather Forecast

    • 26
    • 35

    Decreasing Clouds

    • 40
    • 54

    Partly Sunny

    • 27
    • 48

    Mostly Cloudy

    • 18
    • 36

    Mostly Cloudy

    • 7
    • 28

    Mostly Cloudy

    • 9
    • 22

    Mostly Cloudy

Today 8 Dec St. Louis

Mostly sunny. Highs in the mid 30s. North Winds around 5 Mph, becoming west around 5 Mph in the afternoon.

Tonight 8 Dec St. Louis

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 20s. Temperature rising into the lower 30s after midnight. South Winds 5 to 10 Mph.

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Fenton Temperature Statistics

December Temperature

St. Louis, Spirit Of St. Louis Airport (14.3 miles)

  • Lowest 5 December, 2025

    10 °F
  • Average December

    25 °F
  • Highest 5 December, 2025

    44.1 °F

Climate (2020–Present)

St. Louis, Spirit Of St. Louis Airport (14.3 miles)

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  • Average Low 2020–2025

    46 °F
  • Average 2020–2025

    57.1 °F
  • Average High 2020–2025

    68.2 °F
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