Downtown Clayton Weather Forecast

    • 29
    • 55

    Rain

    • 13
    • 30

    Mostly Cloudy

    • 6
    • 17

    Partly Sunny

    • 7
    • 21

    Partly Sunny

    • 9
    • 17

    Mostly Sunny

    • 25
    • 36

    Mostly Cloudy

    • 21
    • 38

    Mostly Cloudy

Today 17 Jan St. Louis

Mostly cloudy with a 20 percent chance of rain. Highs in the lower 50s. Temperature falling into the upper 40s late. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Jan St. Louis

Rain. Patchy fog. Lows in the upper 20s. South Winds 10 to 15 Mph, becoming northwest. Chance of rain near 100 percent.

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Downtown Clayton Temperature Statistics

January Temperature

St. Louis Lambert International Airport (7.5 miles)

  • Lowest 15 January, 2025

    9 °F

  • Average January

    28.1 °F

  • Highest 2 January, 2025

    46.7 °F

Climate (2020–Present)

St. Louis Lambert International Airport (7.5 miles)

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  • Average Low 2020–2025

    50.3 °F

  • Average 2020–2025

    59.5 °F

  • Average High 2020–2025

    68.7 °F
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