Chesterfield Weather Forecast

    • 38
    • 61

    Becoming Sunny

    • 41
    • 60

    Mostly Sunny

    • 38
    • 62

    Partly Sunny

    • 42
    • 54

    Mostly Cloudy

    • 54
    • 75

    Partly Sunny

    • 55
    • 78

    Partly Sunny

Today 4 Apr St. Louis

Mostly cloudy and much cooler. Near steady temperature in the mid 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 4 Apr St. Louis

Mostly cloudy in the Evening, then clearing. Much cooler with Lows in the upper 30s. Northwest Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesterfield Temperature Statistics

April Temperature

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

  • Lowest 1 April, 2026

    48.9 °F

  • Average April

    63 °F

  • Highest 2 April, 2026

    79 °F

Climate (2021–Present)

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

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

  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    68.7 °F
Get WillyWeather+ to remove ads