Downeyville Weather Forecast
- 55
- 88
Increasing Clouds
- 60
- 79
Mostly Sunny
- 69
- 91
Chance Rain Showers
- 71
- 91
Slight Chance Thunderstorms
- 68
- 90
Slight Chance Thunderstorms
- 65
- 85
Slight Chance Thunderstorms
- 64
- 86
Chance Rain Showers
Today 13 Sep Decatur
Mostly sunny Early, then partly cloudy with a slight chance of Showers late. Highs in the upper 80s. West Winds around 5 Mph, becoming northwest with Gusts up to 20 Mph late. Chance of rain 20 percent.
Tonight 13 Sep Decatur
Partly cloudy through the late Overnight, then clearing. Lows in the mid 50s. Northeast Winds around 5 Mph. Gusts up to 20 Mph toward daybreak.
Downeyville Temperature Statistics
September Temperature
Shelbyville Municipal Airport (16.8 miles)
Lowest 7 September, 2026
59.6 °FAverage September
78.3 °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