Chesterfield Weather Forecast

    • 73
    • 90

    Chance Thunderstorms

    • 78
    • 94

    Patchy Smoke

    • 71
    • 96

    Mostly Sunny

    • 65
    • 85

    Mostly Sunny

    • 66
    • 84

    Chance Rain Showers

    • 68
    • 83

    Chance Thunderstorms

    • 71
    • 89

    Partly Sunny

Today 19 Jul St. Louis

Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. Northeast Winds around 5 Mph. Chance of rain 50 percent. Heat index Values up to 104.

Tonight 19 Jul St. Louis

Partly cloudy. A slight chance of Showers and Thunderstorms this evening. Patchy smoke after midnight. Lows in the lower 70s. East Winds around 5 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesterfield Temperature Statistics

July Temperature

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

  • Lowest 13 July, 2026

    64.7 °F

  • Average July

    80.3 °F

  • Highest 2 July, 2026

    96.7 °F

Climate (2021–2026)

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

    46.1 °F

  • Average 2021–2026

    57.5 °F

  • Average High 2021–2026

    68.9 °F
Get WillyWeather+ to remove ads