Downeyville Weather Forecast
- 73
- 95
Isolated Thunderstorms
- 64
- 92
Thunderstorms
- 59
- 82
Mostly Sunny
- 63
- 84
Partly Sunny
- 69
- 88
Partly Sunny
- 70
- 93
Chance Rain Showers
- 62
- 86
Chance Rain Showers
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 sunny late this Afternoon, then becoming mostly clear. Isolated Showers and Thunderstorms late this afternoon. A slight chance of Showers and Thunderstorms toward daybreak. Humid with Lows in the lower 70s. West Winds 5 to 10 Mph late this Afternoon, becoming light and variable. Chance of rain 20 percent.
Downeyville Temperature Statistics
September Temperature
Shelbyville Municipal Airport (16.8 miles)
Lowest 2 September, 2026
69.1 °FAverage September
82.4 °FHighest 1 September, 2026
93.7 °F
Climate (2021–2026)
Shelbyville Municipal Airport (16.8 miles)
Average Low 2021–2026
46.8 °FAverage 2021–2026
56.8 °FAverage High 2021–2026
67 °F