LaSalle Park Weather Forecast

    • 36
    • 44

    Increasing Clouds

    • 19
    • 40

    Mostly Cloudy

    • 25
    • 33

    Partly Sunny

    • 39
    • 50

    Mostly Cloudy

    • 28
    • 46

    Chance Rain

    • 24
    • 38

    Mostly Cloudy

Today 6 Dec St. Louis City

Mostly sunny. Highs in the lower 40s. West Winds around 5 Mph, becoming southeast this afternoon.

Tonight 6 Dec St. Louis City

Mostly cloudy with a 20 percent chance of rain. Near steady temperature in the mid 30s. Southeast Winds 5 to 10 Mph.

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LaSalle Park Temperature Statistics

December Temperature

St. Louis Downtown Airport (4.3 miles)

  • Lowest 4 December, 2025

    14 °F

  • Average December

    25 °F

  • Highest 3 December, 2025

    37 °F

Climate (2020–Present)

St. Louis Downtown Airport (4.3 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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