Rockville Weather Forecast

    • 77
    • 89

    Chance Thunderstorms

    • 77
    • 90

    Chance Thunderstorms

    • 76
    • 91

    Chance Thunderstorms

    • 75
    • 89

    Chance Thunderstorms

    • 74
    • 88

    Chance Thunderstorms

    • 75
    • 88

    Slight Chance Thunderstorms

Today 13 Aug Charleston

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs around 90. Heat index Values up to 109. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 13 Aug Charleston

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rockville Temperature Statistics

August Temperature

Charleston Executive Airport (13 miles)

  • Lowest 3 August, 2025

    71.6 °F

  • Average August

    78.5 °F

  • Highest 1 August, 2025

    93.2 °F

Climate (2020–Present)

Charleston Executive Airport (13 miles)

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  • Average Low 2020–2025

    59.1 °F

  • Average 2020–2025

    67.4 °F

  • Average High 2020–2025

    76.1 °F
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