Erwin, TN Weather & Growing Conditions
Today
85°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 85, with temperatures falling to around 82 in the afternoon. North wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 30% |
| Tonight | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 19% |
| Sunday | 83°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph SW | 38% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 0 mph | 47% |
| Monday | 84°F | Mostly Sunny then Showers And Thunderstorms Likely | 0 mph | 56% |
| Monday Night | 65°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 57% |
| Tuesday | 78°F | Showers And Thunderstorms | 0 to 5 mph S | 83% |
| Tuesday Night | 62°F | Showers And Thunderstorms | 5 mph SE | 83% |
| Wednesday | 72°F | Showers And Thunderstorms Likely | 5 mph SE | 61% |
| Wednesday Night | 59°F | Showers And Thunderstorms Likely | 5 mph SE | 61% |
| Thursday | 72°F | Chance Rain Showers | 0 to 5 mph SW | 47% |
| Thursday Night | 57°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 47% |
| Friday | 71°F | Chance Rain Showers | 0 to 5 mph N | 29% |
| Friday Night | 54°F | Chance Rain Showers | 0 to 5 mph NE | 26% |
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 Sep 19, 2026.