Downeyville Weather Forecast

    • 73
    • 95

    Isolated Thunderstorms

    • 64
    • 92

    Chance Thunderstorms

    • 59
    • 82

    Mostly Sunny

    • 63
    • 84

    Mostly Sunny

    • 69
    • 88

    Mostly Sunny

    • 70
    • 93

    Chance Rain Showers

    • 62
    • 86

    Slight Chance Thunderstorms

Today 4 Sep Decatur

Sunny. A slight chance of Showers and Thunderstorms late. Hot with Highs in the mid 90s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 4 Sep Decatur

Mostly clear. A slight chance of Showers and Thunderstorms toward daybreak. Humid with Lows in the lower 70s. Light and variable Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Downeyville Temperature Statistics

September Temperature

Shelbyville Municipal Airport (16.8 miles)

  • Lowest 2 September, 2026

    69.1 °F

  • Average September

    82.4 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Shelbyville Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    67 °F
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