Decatur Weather Forecast

    • 56
    • 69

    Mostly Cloudy

    • 55
    • 68

    Mostly Cloudy

    • 55
    • 74

    Mostly Cloudy

    • 50
    • 75

    Mostly Cloudy

    • 54
    • 74

    Mostly Cloudy

    • 57
    • 78

    Partly Sunny

Today 22 Sep Macon

Cloudy early this Morning, then partly sunny with isolated Sprinkles this afternoon. Highs around 70. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 22 Sep Macon

Mostly cloudy. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

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Decatur Temperature Statistics

September Temperature

Decatur Airport (4.3 miles)

  • Lowest 14 September, 2026

    54.6 °F

  • Average September

    78.3 °F

  • Highest 15 September, 2026

    99.6 °F

Climate (2021–2026)

Decatur Airport (4.3 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    65.7 °F
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