Charleston Weather Forecast

    • 78
    • 103

    Hot

    • 77
    • 103

    Hot

    • 77
    • 104

    Hot

    • 75
    • 103

    Hot

    • 76
    • 102

    Hot

    • 76
    • 104

    Hot

Today 14 Aug Central and Southern Franklin

Sunny, hot with Highs around 103. South Winds 5 to 10 Mph. Heat index Values up to 112.

Tonight 14 Aug Central and Southern Franklin

Mostly clear. Lows in the upper 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southeast after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Charleston Temperature Statistics

August Temperature

Fort Smith Regional Airport (18.6 miles)

  • Lowest 2 August, 2026

    70.6 °F

  • Average August

    87.3 °F

  • Highest 5 August, 2026

    103.6 °F

Climate (2021–2026)

Fort Smith Regional Airport (18.6 miles)

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

  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    76.4 °F
Get WillyWeather+ to remove ads