Erwin, TN Weather Forecast
Unicoi County, Tennessee
Live radar, warnings and storm tracking for Erwin, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Erwin
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Erwin, TN at a glance
Erwin is home to about 5,989 people in Unicoi County, across 4.1 square miles. It ranks 93rd by population of 148 places in Tennessee with a forecast here. The nearest neighbour with its own forecast is Unicoi, 7 miles away.
- County
- Unicoi County
- Population
- 5,989 2023 est.
- Land area
- 4.1 sq mi
- People per sq mi
- 1,452
- Forecast point
- 36.1458°N, 82.4120°W
How well can the network see Erwin?
The nearest Doppler radar is KMRX (Knoxville, TN), to the W. Its lowest scan passes about 4,100 ft above Erwin. The beam is above the lowest few thousand feet here, so a warning for Erwin can come before anything looks dramatic on radar.
The closest weather station is K0A9 (Elizabethton Muni). Far enough that current conditions for Erwin are a reading from somewhere else.
Forecasts near Erwin
- Unicoi, TN7 mi
- Jonesborough, TN11 mi
- Johnson City, TN14 mi
- Elizabethton, TN17 mi
- Tusculum, TN19 mi
- Greeneville, TN23 mi
- Kingsport, TN27 mi
- Bristol, TN31 mi
Elsewhere in Tennessee
NashvilleMemphisKnoxvilleChattanoogaClarksvilleMurfreesboroAll Tennessee forecasts →

