Fall Branch, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fall Branch, a community in Washington County, Tennessee.
This Afternoon
77°F
Sunny
Sunny. High near 77, with temperatures falling to around 73 in the afternoon. Southeast wind around 10 mph.
7-day forecast for Fall Branch
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Sunny | 10 mph SE | 1% |
| Tonight | 58°F | Partly Cloudy | 5 to 10 mph SE | 4% |
| Wednesday | 71°F | Showers And Thunderstorms | 5 to 10 mph S | 86% |
| Wednesday Night | 60°F | Showers And Thunderstorms | 0 to 5 mph S | 91% |
| Thursday | 72°F | Chance Rain Showers | 0 to 5 mph SW | 39% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 0 mph | 24% |
| Friday | 69°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph W | 24% |
| Friday Night | 46°F | Partly Cloudy | 0 to 5 mph NW | 8% |
| Saturday | 62°F | Mostly Sunny | 0 to 5 mph NW | 6% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 5 mph N | 3% |
| Sunday | 61°F | Mostly Sunny | 0 to 5 mph NW | 5% |
| Sunday Night | 36°F | Mostly Clear | 5 mph SW | 12% |
| Monday | 60°F | Mostly Sunny | 0 to 10 mph SW | 14% |
| Monday Night | 35°F | Mostly Clear | 0 to 5 mph W | 10% |
Forecast source: National Weather Service (api.weather.gov) for Fall Branch (36.416, -82.624). Updated through the day.
Growing snapshot for Fall Branch
Last spring frost
Apr 9
First fall frost
Oct 29
Growing season
203 days
Hardiness zone
7a
More local growing data for Fall Branch: nearby ZIP 37656 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Kingsport, Tn (10.1 mi from Fall Branch). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.