Alpharetta Weather Forecast

    • 72
    • 92

    Mostly Sunny

    • 73
    • 94

    Mostly Sunny

    • 72
    • 90

    Chance Thunderstorms

    • 71
    • 90

    Chance Thunderstorms

    • 71
    • 89

    Chance Thunderstorms

    • 70
    • 85

    Rain Showers Likely

Today 17 Aug North Fulton

Sunny. Highs in the lower 90s. Light north Winds.

Tonight 17 Aug North Fulton

Mostly clear. Lows in the lower 70s. Light northeast Winds this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alpharetta Temperature Statistics

August Temperature

Atlanta, De Kalb-Peachtree Airport (13 miles)

  • Lowest 4 August, 2025

    64.7 °F

  • Average August

    76.5 °F

  • Highest 1 August, 2025

    93.7 °F

Climate (2020–Present)

Atlanta, De Kalb-Peachtree Airport (13 miles)

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  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    62.7 °F

  • Average High 2020–2025

    73.1 °F
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