Downtown Clayton Weather Forecast

    • 33
    • 55

    Chance Rain

    • 42
    • 48

    Mostly Cloudy

    • 42
    • 64

    Mostly Cloudy

    • 35
    • 61

    Partly Sunny

    • 42
    • 49

    Mostly Cloudy

    • 44
    • 57

    Rain Likely

Today 31 Jan St. Louis

Cloudy. A chance of Showers this afternoon. Near steady temperature in the lower 50s. West Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 31 Jan St. Louis

Mostly cloudy. Cooler with Lows in the lower 30s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Downtown Clayton Temperature Statistics

January Temperature

St. Louis Lambert International Airport (7.5 miles)

  • Lowest 21 January, 2025

    1.9 °F

  • Average January

    28.6 °F

  • Highest 17 January, 2025

    56.6 °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

    68.8 °F
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