Erwin, TN Weather & Growing Conditions
Today
82°F
Mostly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after noon. Mostly sunny. High near 82, with temperatures falling to around 79 in the afternoon. Southeast wind around 0 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Mostly Sunny then Showers And Thunderstorms Likely | 0 mph | 70% |
| Tonight | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 42% |
| Wednesday | 81°F | Chance Showers And Thunderstorms | 0 mph | 81% |
| Wednesday Night | 66°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 mph | 58% |
| Thursday | 82°F | Showers And Thunderstorms | 0 to 5 mph SW | 92% |
| Thursday Night | 65°F | Showers And Thunderstorms then Mostly Cloudy | 0 mph | 92% |
| Friday | 83°F | Chance Showers And Thunderstorms | 0 mph | 74% |
| Friday Night | 66°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 74% |
| Saturday | 82°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 79% |
| Saturday Night | 66°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 mph | 79% |
| Sunday | 83°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 55% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 55% |
| Monday | 83°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 48% |
| Monday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 48% |
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 Aug 4, 2026.