Erwin, TN Weather & Growing Conditions
Tonight
59°F
Partly Cloudy
Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Partly Cloudy | 5 to 10 mph SE | 4% |
| Wednesday | 68°F | Showers And Thunderstorms | 5 to 10 mph S | 77% |
| Wednesday Night | 62°F | Showers And Thunderstorms | 0 to 5 mph S | 92% |
| Thursday | 71°F | Chance Rain Showers | 0 to 5 mph W | 30% |
| Thursday Night | 55°F | Chance Rain Showers | 0 mph | 30% |
| Friday | 67°F | Chance Rain Showers | 0 to 5 mph W | 30% |
| Friday Night | 48°F | Partly Cloudy | 0 mph | 10% |
| Saturday | 59°F | Mostly Sunny | 0 to 5 mph NW | 10% |
| Saturday Night | 42°F | Partly Cloudy | 0 mph | 4% |
| Sunday | 59°F | Mostly Sunny | 0 to 5 mph NW | 5% |
| Sunday Night | 39°F | Mostly Clear | 0 mph | 14% |
| Monday | 58°F | Slight Chance Rain Showers | 0 to 5 mph W | 18% |
| Monday Night | 40°F | Slight Chance Rain Showers then Mostly Clear | 0 to 5 mph SW | 18% |
| Tuesday | 62°F | Sunny | 0 to 5 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Erwin, TN
Last spring frost
Apr 21
First fall frost
Oct 23
Growing season
183 days
Hardiness zone
7a
Explore more for Erwin, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Erwin 1 W, Tn (4.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.