Johns Creek Weather Forecast

    • 70
    • 92

    Chance Thunderstorms

    • 69
    • 89

    Rain Showers Likely

    • 62
    • 80

    Chance Rain Showers

    • 59
    • 74

    Partly Sunny

    • 58
    • 79

    Mostly Sunny

    • 57
    • 81

    Partly Sunny

    • 58
    • 81

    Partly Sunny

Today 21 Sep North Fulton

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. Light east Winds. Chance of rain 20 percent.

Tonight 21 Sep North Fulton

Partly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Lows around 70. Light northeast Winds in the Evening, becoming light and variable. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johns Creek Temperature Statistics

September Temperature

Atlanta, De Kalb-Peachtree Airport (11.8 miles)

  • Lowest 17 September, 2026

    65.6 °F

  • Average September

    81.9 °F

  • Highest 5 September, 2026

    100.7 °F

Climate (2021–2026)

Atlanta, De Kalb-Peachtree Airport (11.8 miles)

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  • Average Low 2021–2026

    53.3 °F

  • Average 2021–2026

    63.5 °F

  • Average High 2021–2026

    74.1 °F
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