Maryland Heights Weather Forecast

    • 31
    • 44

    Partly Sunny

    • 46
    • 57

    Partly Sunny

    • 46
    • 64

    Partly Sunny

    • 59
    • 69

    Mostly Cloudy

    • 56
    • 76

    Partly Sunny

    • 48
    • 67

    Mostly Cloudy

    • 33
    • 62

    Mostly Cloudy

Today 21 Dec St. Louis

Sunny, cooler with Highs in the mid 40s. Southeast Winds around 5 Mph.

Tonight 21 Dec St. Louis

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 20s. Southeast Winds around 5 Mph.

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Maryland Heights Temperature Statistics

December Temperature

St. Louis Lambert International Airport (3.7 miles)

  • Lowest 14 December, 2025

    7 °F

  • Average December

    32 °F

  • Highest 16 December, 2025

    57 °F

Climate (2020–Present)

St. Louis Lambert International Airport (3.7 miles)

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  • Average Low 2020–2025

    50.5 °F

  • Average 2020–2025

    59.8 °F

  • Average High 2020–2025

    69.1 °F
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