Cheltenham Weather Forecast

    • 62
    • 72

    Slight Chance Rain Showers

    • 58
    • 74

    Mostly Cloudy

    • 57
    • 76

    Partly Sunny

    • 59
    • 77

    Partly Sunny

    • 58
    • 78

    Mostly Cloudy

    • 60
    • 77

    Mostly Cloudy

    • 61
    • 81

    Partly Sunny

Today 21 Sep St. Louis City

Cloudy with a slight chance of Showers and very light drizzle. Much cooler. Near steady temperature in the lower 70s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 21 Sep St. Louis City

Cloudy with a slight chance of very light drizzle. Lows in the lower 60s. Northeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cheltenham Temperature Statistics

September Temperature

St. Louis Downtown Airport (8.1 miles)

  • Lowest 8 September, 2026

    59.6 °F

  • Average September

    82.3 °F

  • Highest 5 September, 2026

    102.7 °F

Climate (2021–2026)

St. Louis Downtown Airport (8.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    69.5 °F
Get WillyWeather+ to remove ads