Weather in Decatur, TN
Updated 2026-08-11 11:15 local time · ZIP codes 37322

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
91°5% rain
92°5% rain
90°5% rain
90°5% rain
91°4% rain
92°8% rain
92°5% rain
90°5% rain
88°3% rain
84°4% rain
82°5% rain
81°5% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 8%).
It feels like 105°F with winds near 3 mph.
84°F, 4% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 11 mph.
Current temperature is 91°F, wind 3 mph, rain chance up to 8%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Decatur weather today
Sunny and 91°F in Decatur, TN. Today's high is 92°F with a 7% rain chance. Winds are around 3 mph with gusts near 4 mph. Relative humidity is 69%, pressure is 30.11 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Decatur
Sunrise is at 06:55 AM and sunset is at 08:33 PM. Tomorrow's forecast calls for Sunny with a high near 94°F and a low near 69°F. The maximum rain chance is 60%.