Cheltenham Weather Forecast

    • 81
    • 94

    Decreasing Clouds

    • 79
    • 98

    Slight Chance Thunderstorms

    • 77
    • 94

    Chance Thunderstorms

    • 76
    • 93

    Chance Thunderstorms

    • 76
    • 94

    Slight Chance Thunderstorms

    • 77
    • 97

    Slight Chance Thunderstorms

    • 74
    • 96

    Partly Sunny

Today 10 Aug St. Louis City

Partly sunny. Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 107.

Tonight 10 Aug St. Louis City

Partly cloudy. Lows in the upper 70s. South Winds 5 to 10 Mph. Heat index Values up to 103 early this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cheltenham Temperature Statistics

August Temperature

St. Louis Downtown Airport (8.1 miles)

  • Lowest 3 August, 2026

    63.6 °F

  • Average August

    76.4 °F

  • Highest 7 August, 2026

    91.7 °F

Climate (2021–2026)

St. Louis Downtown Airport (8.1 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.3 °F
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