Cheltenham Weather Forecast

    • 81
    • 99

    Slight Chance Thunderstorms

    • 71
    • 91

    Partly Sunny

    • 69
    • 89

    Mostly Sunny

    • 72
    • 90

    Chance Rain Showers

    • 70
    • 85

    Chance Thunderstorms

    • 68
    • 84

    Slight Chance Thunderstorms

Today 27 Jul St. Louis City

Sunny, hot with Highs in the upper 90s. Southwest Winds 10 to 15 Mph. Heat index Values up to 110.

Tonight 27 Jul St. Louis City

Partly cloudy with isolated Showers and Thunderstorms. Humid with Lows in the upper 70s. West Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 110 early in the evening.

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Cheltenham Temperature Statistics

July Temperature

St. Louis Downtown Airport (8.1 miles)

  • Lowest 23 July, 2026

    61.6 °F

  • Average July

    80.2 °F

  • Highest 2 July, 2026

    96.7 °F

Climate (2021–2026)

St. Louis Downtown Airport (8.1 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.3 °F
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