Weather in Jamestown, TN
Updated 2026-09-26 11:00 local time · ZIP codes 38556
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
65°10% rain68°9% rain70°9% rain71°9% rain
71°1% rain71°1% rain69°1% rain69°2% rain
64°3% rain
62°5% rain60°3% rain58°4% 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 57°F with winds near 8 mph.
69°F, 1% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 65°F, wind 8 mph, rain chance up to 10%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Jamestown
Tennessee has a humid climate with hot summers and relatively mild winters. Elevation in the east can make mountain locations notably cooler and wetter.
Jamestown is part of the South weather region. The forecast point is near 36.43°N latitude and 84.93°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.
Jamestown weather today
Overcast and 65°F in Jamestown, TN. Today's high is 71°F with a 3% rain chance. Winds are around 8 mph with gusts near 13 mph. Relative humidity is 33%, pressure is 30.09 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Jamestown
Sunrise is at 06:30 AM and sunset is at 06:31 PM. Tomorrow's forecast calls for Sunny with a high near 71°F and a low near 52°F. The maximum rain chance is 5%.