Chesterfield Weather Forecast

    • 38
    • 53

    Mostly Sunny

    • 38
    • 61

    Mostly Cloudy

    • 18
    • 44

    Mostly Cloudy

    • 28
    • 36

    Partly Sunny

    • 23
    • 44

    Mostly Cloudy

    • 15
    • 33

    Partly Sunny

Today 12 Jan St. Louis

Sunny. Not as cool with Highs in the lower 50s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 12 Jan St. Louis

Mostly clear in the Evening, then becoming partly cloudy. Not as cool with Lows in the mid 30s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesterfield Temperature Statistics

January Temperature

St. Louis, Spirit Of St. Louis Airport (3.7 miles)

  • Lowest 4 January, 2026

    19 °F

  • Average January

    43.8 °F

  • Highest 6 January, 2026

    68 °F

Climate (2021–Present)

St. Louis, Spirit Of St. Louis Airport (3.7 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    57.2 °F

  • Average High 2021–2026

    68.4 °F
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