Downeyville Weather Forecast

    • 63
    • 80

    Slight Chance Thunderstorms

    • 62
    • 81

    Partly Sunny

    • 57
    • 79

    Chance Thunderstorms

    • 54
    • 75

    Mostly Sunny

    • 56
    • 74

    Partly Sunny

    • 60
    • 78

    Partly Sunny

    • 63
    • 81

    Slight Chance Thunderstorms

Today 20 Aug Decatur

Partly cloudy. A slight chance of Showers and Thunderstorms late. Highs around 80. North Winds around 5 Mph. Chance of rain 20 percent.

Tonight 20 Aug Decatur

Mostly clear through the late Overnight, then becoming partly cloudy. Patchy dense fog. Lows in the mid 60s. Northeast Winds around 5 Mph.

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Downeyville Temperature Statistics

August Temperature

Shelbyville Municipal Airport (16.8 miles)

  • Lowest 4 August, 2026

    57.7 °F

  • Average August

    74.8 °F

  • Highest 10 August, 2026

    89.7 °F

Climate (2021–2026)

Shelbyville Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    67 °F
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