Decatur Weather Forecast

    • 55
    • 81

    Rain Showers

    • 45
    • 67

    Mostly Cloudy

    • 52
    • 69

    Mostly Cloudy

    • 58
    • 70

    Chance Rain Showers

    • 59
    • 76

    Slight Chance Thunderstorms

    • 63
    • 80

    Partly Sunny

Today 19 May Macon

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Morning, then Showers in the afternoon. Breezy with Highs in the lower 80s. Temperature falling into the mid 70s in the afternoon. Southwest Winds 15 to 25 Mph. Chance of rain 90 percent.

Tonight 19 May Macon

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers after midnight. Cooler. Less humid with Lows in the mid 50s. Northwest Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur Temperature Statistics

May Temperature

Decatur Airport (4.3 miles)

  • Lowest 7 May, 2026

    37.7 °F

  • Average May

    57.8 °F

  • Highest 12 May, 2026

    80.7 °F

Climate (2021–Present)

Decatur Airport (4.3 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.6 °F
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