Erin, TN Weather & Growing Conditions
Tonight
74°F
Mostly Clear
Mostly clear, with a low around 74. Heat index values as high as 99. South wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Mostly Clear | 0 mph | 8% |
| Saturday | 97°F | Sunny | 0 to 5 mph WSW | 3% |
| Saturday Night | 74°F | Mostly Clear | 0 to 5 mph SSW | 2% |
| Sunday | 97°F | Sunny | 5 mph SW | 1% |
| Sunday Night | 74°F | Partly Cloudy | 0 to 5 mph SW | 1% |
| Monday | 94°F | Mostly Sunny | 5 mph WSW | 12% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 5 mph N | 40% |
| Tuesday | 86°F | Chance Rain Showers | 5 to 10 mph N | 36% |
| Tuesday Night | 64°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 32% |
| Wednesday | 81°F | Slight Chance Rain Showers | 5 mph N | 17% |
| Wednesday Night | 61°F | Mostly Clear | 5 mph N | 13% |
| Thursday | 80°F | Mostly Sunny | 5 mph NNE | 7% |
| Thursday Night | 61°F | Partly Cloudy | 5 mph NNE | 6% |
| Friday | 79°F | Mostly Sunny | 5 to 10 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Erin, TN
Last spring frost
Apr 7
First fall frost
Nov 3
Growing season
211 days
Hardiness zone
7b
Explore more for Erin, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Tennessee Ridge, Tn (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.