Harman US

Jamestown, TN Weather & Growing Conditions

Overnight
68°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 68. South southeast wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 68°F Patchy Fog 0 mph 1%
Saturday 90°F Patchy Fog then Chance Showers And Thunderstorms 0 mph 28%
Saturday Night 68°F Slight Chance Showers And Thunderstorms then Mostly Clear 0 to 5 mph S 21%
Sunday 89°F Mostly Sunny 0 to 5 mph SW 8%
Sunday Night 67°F Slight Chance Showers And Thunderstorms 0 to 5 mph S 18%
Monday 88°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 5 mph WSW 39%
Monday Night 64°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 0 mph 58%
Tuesday 81°F Showers And Thunderstorms 0 to 5 mph W 79%
Tuesday Night 61°F Showers And Thunderstorms 0 mph 79%
Wednesday 75°F Showers And Thunderstorms Likely 0 to 5 mph W 70%
Wednesday Night 59°F Showers And Thunderstorms Likely 0 mph 70%
Thursday 73°F Chance Rain Showers 0 to 5 mph NNW 30%
Thursday Night 56°F Slight Chance Rain Showers then Partly Cloudy 0 to 5 mph NNE 24%
Friday 73°F Mostly Sunny 0 to 5 mph NNE 10%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Jamestown, TN

Last spring frost
Apr 20
First fall frost
Oct 22
Growing season
183 days
Hardiness zone
7a

Explore more for Jamestown, TN: full frost dates · planting calendar · Tennessee frost dates

Climate data from the nearest NOAA station, Jamestown, Tn (1.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.