Cheltenham Weather Forecast

    • 11
    • 32

    Decreasing Clouds

    • 13
    • 22

    Mostly Sunny

    • 29
    • 39

    Partly Sunny

    • 23
    • 45

    Partly Sunny

    • 25
    • 38

    Partly Sunny

    • 23
    • 45

    Mostly Cloudy

Today 18 Jan St. Louis City

Mostly sunny in the Morning, then becoming mostly cloudy. A chance of Flurries. Highs in the lower 30s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as 3 above.

Tonight 18 Jan St. Louis City

Mostly clear. Near steady temperature around 13. West Winds 5 to 10 Mph. Wind chill Values as low as 1 above.

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Cheltenham Temperature Statistics

January Temperature

St. Louis Downtown Airport (8.1 miles)

  • Lowest 15 January, 2026

    18 °F
  • Average January

    40.8 °F
  • Highest 6 January, 2026

    68 °F

Climate (2021–Present)

St. Louis Downtown Airport (8.1 miles)

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  • Average Low 2021–2026

    47.5 °F
  • Average 2021–2026

    58.1 °F
  • Average High 2021–2026

    68.8 °F
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