Banner Hill, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Banner Hill, a community in Unicoi County, Tennessee.
Overnight
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4am, then patchy fog. Mostly cloudy, with a low around 68. Southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Banner Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Chance Showers And Thunderstorms | 5 mph SE | 30% |
| Sunday | 86°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 5 mph W | 37% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 23% |
| Monday | 86°F | Showers And Thunderstorms Likely | 0 to 5 mph W | 56% |
| Monday Night | 66°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 56% |
| Tuesday | 80°F | Showers And Thunderstorms | 0 to 5 mph S | 81% |
| Tuesday Night | 64°F | Showers And Thunderstorms | 5 mph SE | 81% |
| Wednesday | 75°F | Rain Showers Likely | 5 mph SE | 67% |
| Wednesday Night | 60°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 67% |
| Thursday | 73°F | Chance Rain Showers | 0 to 5 mph E | 48% |
| Thursday Night | 58°F | Chance Showers And Thunderstorms | 0 mph | 48% |
| Friday | 73°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 33% |
| Friday Night | 54°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph NE | 33% |
| Saturday | 73°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 16% |
Forecast source: National Weather Service (api.weather.gov) for Banner Hill (36.122, -82.420). Updated through the day.
Growing snapshot for Banner Hill
Last spring frost
Apr 21
First fall frost
Oct 23
Growing season
183 days
Hardiness zone
7a
More local growing data for Banner Hill: nearby ZIP 37650 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Erwin 1 W, Tn (4.4 mi from Banner Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.