Johnston Weather Forecast

    • 72
    • 95

    Thunderstorms Likely

    • 72
    • 91

    Chance Thunderstorms

    • 72
    • 89

    Thunderstorms Likely

    • 74
    • 93

    Chance Thunderstorms

    • 75
    • 96

    Slight Chance Thunderstorms

    • 75
    • 98

    Chance Thunderstorms

Today 22 Jul Edgefield

Sunny in the Morning, then partly sunny with Showers and Thunderstorms likely in the afternoon. Humid with Highs in the mid 90s. Northeast Winds around 5 Mph. Chance of rain 70 percent. Heat index Values up to 109.

Tonight 22 Jul Edgefield

Mostly cloudy. Showers and Thunderstorms likely in the Evening, then a chance of Showers after midnight. Humid with Lows in the lower 70s. Northeast Winds around 5 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnston Temperature Statistics

July Temperature

Aiken Municipal Airport (14.3 miles)

  • Lowest 5 July, 2025

    69.8 °F

  • Average July

    81.1 °F

  • Highest 7 July, 2025

    97.7 °F

Climate (2020–Present)

Aiken Municipal Airport (14.3 miles)

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

  • Average Low 2020–2025

    53.7 °F

  • Average 2020–2025

    63.9 °F

  • Average High 2020–2025

    75.3 °F
Get WillyWeather+ to remove ads