Weather in Signal Mountain, TN
Updated 2026-08-11 12:15 local time · ZIP codes 37377
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
91°4% rain92°3% rain92°3% rain93°2% rain92°3% rain90°2% rain88°2% rain83°3% rain80°3% rain
79°4% rain79°5% rain78°6% 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 6%).
It feels like 103°F with winds near 4 mph.
80°F, 3% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 12 mph.
Current temperature is 91°F, wind 4 mph, rain chance up to 6%.
UV index is 8. Sunscreen, shade and protective clothing are recommended.
Signal Mountain weather today
Sunny and 91°F in Signal Mountain, TN. Today's high is 93°F with a 5% rain chance. Winds are around 4 mph with gusts near 6 mph. Relative humidity is 62%, pressure is 30.11 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Signal Mountain
Sunrise is at 06:58 AM and sunset is at 08:34 PM. Tomorrow's forecast calls for Sunny with a high near 92°F and a low near 72°F. The maximum rain chance is 38%.