Decatur Weather Forecast

    • 67
    • 83

    Increasing Clouds

    • 64
    • 80

    Chance Thunderstorms

    • 62
    • 81

    Mostly Sunny

    • 64
    • 82

    Slight Chance Thunderstorms

    • 62
    • 82

    Slight Chance Thunderstorms

    • 62
    • 80

    Partly Sunny

Today 18 Aug Macon

Mostly sunny. Highs in the lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 18 Aug Macon

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur Temperature Statistics

August Temperature

Decatur Airport (4.3 miles)

  • Lowest 4 August, 2026

    60.7 °F

  • Average August

    76.9 °F

  • Highest 11 August, 2026

    92.6 °F

Climate (2021–2026)

Decatur Airport (4.3 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.6 °F
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