Charleston Weather Forecast

    • 75
    • 98

    Hot

    • 77
    • 98

    Hot

    • 75
    • 98

    Hot

    • 74
    • 97

    Slight Chance Thunderstorms

    • 70
    • 94

    Slight Chance Thunderstorms

    • 66
    • 89

    Slight Chance Thunderstorms

Today 1 Sep Coles

Sunny, hot with Highs in the upper 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 104.

Tonight 1 Sep Coles

Clear. Lows in the mid 70s. South Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Charleston Temperature Statistics

September Temperature

Mattoon / Charleston, Coles County Memorial Airport (5.6 miles)

  • Lowest

    –

  • Average September

    –

  • Highest

    –

Climate (2021–2026)

Mattoon / Charleston, Coles County Memorial Airport (5.6 miles)

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

  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    65 °F
Get WillyWeather+ to remove ads