Fountain Weather Forecast

    • 13
    • 25

    Gradual Clearing

    • 27
    • 43

    Partly Sunny

    • 27
    • 41

    Mostly Cloudy

    • 17
    • 35

    Mostly Cloudy

    • 25
    • 34

    Partly Sunny

    • 35
    • 48

    Mostly Cloudy

Today 4 Dec Monroe

Partly sunny. Cooler with Highs in the mid 20s. North Winds 5 to 10 Mph.

Tonight 4 Dec Monroe

Partly cloudy in the Evening, then clearing. Lows around 14. East Winds around 5 Mph, becoming south after midnight.

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Fountain Temperature Statistics

December Temperature

St. Louis Downtown Airport (15.5 miles)

  • Lowest 1 December, 2025

    23 °F

  • Average December

    25 °F

  • Highest 1 December, 2025

    26.1 °F

Climate (2020–Present)

St. Louis Downtown Airport (15.5 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    68.6 °F
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