Erwin, TN Weather & Growing Conditions
Overnight
64°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 4am. Partly cloudy, with a low around 64. South wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Slight Chance Showers And Thunderstorms | 5 mph S | 22% |
| Sunday | 80°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 33% |
| Sunday Night | 64°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 21% |
| Monday | 81°F | Showers And Thunderstorms Likely | 0 to 5 mph W | 56% |
| Monday Night | 63°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 56% |
| Tuesday | 75°F | Showers And Thunderstorms | 0 to 5 mph S | 83% |
| Tuesday Night | 61°F | Showers And Thunderstorms | 0 to 5 mph SE | 83% |
| Wednesday | 70°F | Rain Showers Likely | 5 mph SE | 69% |
| Wednesday Night | 57°F | Showers And Thunderstorms Likely | 5 mph SE | 69% |
| Thursday | 68°F | Chance Rain Showers | 5 mph NE | 50% |
| Thursday Night | 55°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 50% |
| Friday | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 34% |
| Friday Night | 51°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 34% |
| Saturday | 67°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 17% |
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 (11.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.