Decatur Weather Forecast

    • 65
    • 82

    Increasing Clouds

    • 70
    • 82

    Mostly Cloudy

    • 64
    • 85

    Rain Showers

    • 55
    • 71

    Chance Rain Showers

    • 56
    • 69

    Mostly Cloudy

    • 49
    • 70

    Mostly Sunny

Today 29 Sep Macon

Sunny. Near steady temperature in the lower 80s. South Winds 5 to 10 Mph.

Tonight 29 Sep Macon

Mostly cloudy. Not as cool with Lows in the mid 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur Temperature Statistics

September Temperature

Decatur Airport (4.3 miles)

  • Lowest 27 September, 2026

    48 °F

  • Average September

    74.8 °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

    65.6 °F
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