Jamestown, TN Weather & Growing Conditions
Overnight
61°F
Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 1am and 3am, then a slight chance of showers and thunderstorms between 3am and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. South southeast wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Slight Chance Showers And Thunderstorms | 15 mph SSE | 57% |
| Wednesday | 70°F | Showers And Thunderstorms | 10 to 15 mph S | 97% |
| Wednesday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 0 to 5 mph WSW | 35% |
| Thursday | 70°F | Patchy Fog then Mostly Sunny | 0 to 5 mph W | 2% |
| Thursday Night | 46°F | Areas Of Fog | 0 mph | 1% |
| Friday | 67°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph NW | 3% |
| Friday Night | 41°F | Partly Cloudy | 0 to 5 mph NNW | 2% |
| Saturday | 58°F | Mostly Sunny | 5 mph N | 1% |
| Saturday Night | 34°F | Mostly Cloudy | 0 to 5 mph NNW | 1% |
| Sunday | 59°F | Mostly Sunny | 0 to 5 mph NW | 7% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph W | 10% |
| Monday | 61°F | Sunny | 0 to 5 mph W | 8% |
| Monday Night | 35°F | Mostly Clear | 0 to 5 mph WSW | 2% |
| Tuesday | 65°F | Sunny | 5 mph WSW | 1% |
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 Nov 4, 2026.