Weather in Jamestown, TN
Updated 2026-08-11 12:00 local time · ZIP codes 38556

Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
83°4% rain
91°4% rain
91°3% rain
91°3% rain
90°3% rain
89°3% rain
86°3% rain
82°4% rain
79°4% rain
78°5% rain
77°7% rain
77°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 7%).
It feels like 87°F with winds near 7 mph.
79°F, 4% rain chance and 4 mph wind.
Visibility is around 10 mi; gusts may reach 14 mph.
Current temperature is 83°F, wind 7 mph, rain chance up to 7%.
UV index is 9. Use shade, sunscreen, a hat and sunglasses.
Jamestown weather today
Partly cloudy and 83°F in Jamestown, TN. Today's high is 91°F with a 6% rain chance. Winds are around 7 mph with gusts near 9 mph. Relative humidity is 70%, pressure is 30.20 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Jamestown
Sunrise is at 05:54 AM and sunset is at 07:35 PM. Tomorrow's forecast calls for Sunny with a high near 88°F and a low near 71°F. The maximum rain chance is 74%.