Weather in Signal Mountain, TN
Updated 2026-09-26 11:00 local time · ZIP codes 37377
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
64°2% rain
68°4% rain71°3% rain
74°9% rain76°2% rain77°1% rain77°1% rain
75°8% rain70°2% rain
65°9% rain64°9% rain65°10% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 10%).
It feels like 58°F with winds near 6 mph.
70°F, 2% rain chance and 2 mph wind.
Visibility is around 6 mi; gusts may reach 10 mph.
Current temperature is 64°F, wind 6 mph, rain chance up to 10%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Signal Mountain
Tennessee has a humid climate with hot summers and relatively mild winters. Elevation in the east can make mountain locations notably cooler and wetter.
Signal Mountain is part of the South weather region. The forecast point is near 35.12°N latitude and 85.34°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Signal Mountain weather today
Sunny and 64°F in Signal Mountain, TN. Today's high is 77°F with a 4% rain chance. Winds are around 6 mph with gusts near 10 mph. Relative humidity is 46%, pressure is 30.09 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Signal Mountain
Sunrise is at 06:32 AM and sunset is at 06:32 PM. Tomorrow's forecast calls for Overcast with a high near 77°F and a low near 54°F. The maximum rain chance is 9%.