Jamestown, TN Weather & Growing Conditions
This Afternoon
90°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 90. South wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Chance Showers And Thunderstorms | 0 mph | 28% |
| Tonight | 68°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SSE | 28% |
| Sunday | 89°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph WSW | 18% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 18% |
| Monday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph WSW | 38% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 0 mph | 46% |
| Tuesday | 82°F | Showers And Thunderstorms | 0 to 5 mph NNE | 76% |
| Tuesday Night | 62°F | Showers And Thunderstorms | 0 to 5 mph E | 76% |
| Wednesday | 76°F | Rain Showers | 0 to 5 mph SW | 76% |
| Wednesday Night | 59°F | Showers And Thunderstorms | 0 mph | 76% |
| Thursday | 74°F | Chance Rain Showers | 0 to 5 mph NW | 41% |
| Thursday Night | 56°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 26% |
| Friday | 74°F | Mostly Sunny | 0 to 5 mph N | 13% |
| Friday Night | 54°F | Partly Cloudy | 0 to 5 mph N | 13% |
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 20, 2026.