Somerville, TN Weather & Growing Conditions
Tonight
57°F
Showers And Thunderstorms
Showers and thunderstorms before 4am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 57. South southwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Showers And Thunderstorms | 5 mph SSW | 92% |
| Wednesday | 71°F | Mostly Sunny | 0 to 10 mph WSW | 4% |
| Wednesday Night | 42°F | Partly Cloudy | 0 mph | 0% |
| Thursday | 71°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Thursday Night | 44°F | Partly Cloudy | 0 mph | 0% |
| Friday | 66°F | Mostly Sunny | 0 to 10 mph NNW | 2% |
| Friday Night | 38°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 60°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 33°F | Partly Cloudy | 0 mph | 1% |
| Sunday | 62°F | Mostly Sunny | 0 to 5 mph NNW | 5% |
| Sunday Night | 33°F | Mostly Clear | 0 mph | 3% |
| Monday | 65°F | Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 34°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 69°F | Sunny | 0 to 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Somerville, TN
Last spring frost
Apr 1
First fall frost
Nov 3
Growing season
217 days
Hardiness zone
8a
Explore more for Somerville, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Ames Plantation, Tn (12.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.