Decatur, IN (46733)

Today

A mix of clouds and sun during the morning will give way to cloudy skies this afternoon. A stray shower or thunderstorm is possible. High 82F. Winds SW at 15 to 25 mph..

Tonight

Thunderstorms. Potential for heavy rainfall. Low 59F. Winds SSW at 15 to 25 mph. Chance of rain 80%.

Updated: October 18, 2025 @ 11:02 am