Cheltenham Weather Forecast

    • 46
    • 55

    Mostly Cloudy

    • 47
    • 64

    Partly Sunny

    • 58
    • 71

    Mostly Cloudy

    • 59
    • 76

    Partly Sunny

    • 49
    • 68

    Partly Sunny

    • 39
    • 67

    Slight Chance Rain

Today 22 Dec St. Louis City

Mostly sunny this Morning, then becoming mostly cloudy. Not as cool with Highs in the mid 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 22 Dec St. Louis City

Mostly cloudy in the Evening, then becoming partly cloudy. Not as cool. Near steady temperature in the mid 40s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cheltenham Temperature Statistics

December Temperature

St. Louis Downtown Airport (8.1 miles)

  • Lowest 14 December, 2025

    7 °F

  • Average December

    32.2 °F

  • Highest 18 December, 2025

    57.9 °F

Climate (2020–Present)

St. Louis Downtown Airport (8.1 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    68.6 °F
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