Lake Decatur Weather Forecast

    • 0
    • 16

    Mostly Sunny

    • 22
    • 30

    Partly Sunny

    • 19
    • 32

    Mostly Cloudy

    • 10
    • 28

    Chance Snow

    • 17
    • 26

    Mostly Cloudy

    • 26
    • 36

    Mostly Cloudy

Today 4 Dec Macon

Sunny. Much cooler with Highs around 17. North Winds 5 to 10 Mph. Wind chill Values as low as 9 below this morning.

Tonight 4 Dec Macon

Mostly clear in the Evening, then becoming partly cloudy. Patchy freezing fog. Cold with Lows around zero. Temperature rising to around 4 above after midnight. East Winds around 5 Mph, becoming south after midnight.

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Lake Decatur Temperature Statistics

December Temperature

Decatur Airport (1.2 miles)

  • Lowest 1 December, 2025

    16 °F

  • Average December

    22.8 °F

  • Highest 1 December, 2025

    26.1 °F

Climate (2020–Present)

Decatur Airport (1.2 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    65.2 °F
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