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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.