Downeyville Weather Forecast
- 61
- 87
Rain Showers Likely
- 56
- 73
Chance Thunderstorms
- 57
- 72
Chance Thunderstorms
- 56
- 71
Chance Thunderstorms
- 56
- 72
Mostly Cloudy
- 53
- 74
Partly Sunny
Today 20 Sep Decatur
Mostly sunny through early Afternoon, then partly cloudy with a chance of Showers and Thunderstorms late in the afternoon. Humid with Highs in the upper 80s. Southwest Winds around 5 Mph, becoming northwest late in the afternoon. Chance of rain 50 percent.
Tonight 20 Sep Decatur
Mostly cloudy with a chance of Thunderstorms. Showers likely through the late Overnight, then a chance of Showers toward daybreak. Lows in the lower 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.
Downeyville Temperature Statistics
September Temperature
Shelbyville Municipal Airport (16.8 miles)
Lowest 14 September, 2026
53.7 °FAverage September
77.6 °FHighest 4 September, 2026
96.7 °F
Climate (2021–2026)
Shelbyville Municipal Airport (16.8 miles)
Average Low 2021–2026
46.8 °FAverage 2021–2026
56.9 °FAverage High 2021–2026
67 °F