Summerlin Weather Forecast

    • 41
    • 50

    Rain Showers Likely

    • 39
    • 51

    Chance Rain Showers

    • 40
    • 52

    Chance Rain Showers

    • 32
    • 50

    Mostly Cloudy

    • 33
    • 51

    Partly Sunny

    • 39
    • 57

    Partly Sunny

Today 5 Dec Cobb

Cloudy. Showers Likely, mainly in the morning. Highs in the upper 40s. Light east Winds. Chance of rain 70 percent.

Tonight 5 Dec Cobb

Cloudy with a 50 percent chance of Showers. Lows in the lower 40s. Light southwest Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summerlin Temperature Statistics

December Temperature

Fulton County Airport-Brown Field (3.1 miles)

  • Lowest 1 December, 2025

    33.1 °F

  • Average December

    42.6 °F

  • Highest 1 December, 2025

    52 °F

Climate (2020–Present)

Fulton County Airport-Brown Field (3.1 miles)

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  • Average Low 2020–2025

    53.2 °F

  • Average 2020–2025

    63.5 °F

  • Average High 2020–2025

    74.2 °F
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