Hazelwood Weather Forecast

    • 44
    • 55

    Increasing Clouds

    • 23
    • 56

    Rain Showers

    • 34
    • 38

    Mostly Sunny

    • 31
    • 55

    Partly Sunny

    • 32
    • 45

    Mostly Cloudy

    • 39
    • 46

    Mostly Cloudy

Today 17 Dec St. Louis

Sunny. Highs in the mid 50s. West Winds around 5 Mph, becoming southeast in the afternoon.

Tonight 17 Dec St. Louis

Mostly cloudy. Near steady temperature in the upper 30s. Southwest Winds 5 to 10 Mph.

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Hazelwood Temperature Statistics

December Temperature

St. Louis Lambert International Airport (1.2 miles)

  • Lowest 14 December, 2025

    7 °F

  • Average December

    29.6 °F

  • Highest 9 December, 2025

    55.9 °F

Climate (2020–Present)

St. Louis Lambert International Airport (1.2 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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