Decatur Airport Weather Forecast

    • 70
    • 86

    Slight Chance Thunderstorms

    • 69
    • 91

    Chance Rain Showers

    • 60
    • 85

    Rain Showers Likely

    • 54
    • 71

    Rain Showers Likely

    • 52
    • 68

    Mostly Cloudy

    • 52
    • 71

    Partly Sunny

Today 18 Sep Macon

Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 18 Sep Macon

Partly cloudy. Lows around 70. Southeast Winds 5 to 10 Mph.

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Decatur Airport Temperature Statistics

September Temperature

Decatur Airport (0 miles)

  • Lowest 14 September, 2026

    54.6 °F

  • Average September

    77.9 °F

  • Highest 15 September, 2026

    99.6 °F

Climate (2021–2026)

Decatur Airport (0 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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