Decatur Weather Forecast

    • 69
    • 95

    Rain Showers Likely

    • 72
    • 91

    Chance Rain Showers

    • 69
    • 93

    Partly Sunny

    • 70
    • 90

    Slight Chance Thunderstorms

    • 68
    • 91

    Partly Sunny

    • 60
    • 82

    Chance Rain Showers

Today 15 Sep Macon

Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Warmer with Highs in the mid 90s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent. Heat index Values up to 101.

Tonight 15 Sep Macon

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Lows in the upper 60s. Southeast Winds around 5 Mph, becoming northeast around 5 Mph after midnight. Chance of rain 50 percent.

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Decatur Temperature Statistics

September Temperature

Decatur Airport (4.3 miles)

  • Lowest 7 September, 2026

    55.7 °F

  • Average September

    78.2 °F

  • Highest 4 September, 2026

    98.7 °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

    65.6 °F
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