Valley Forge, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Valley Forge, a community in Carter County, Tennessee.
This Afternoon
76°F
Sunny
Sunny. High near 76, with temperatures falling to around 71 in the afternoon. Southeast wind around 10 mph.
7-day forecast for Valley Forge
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 10 mph SE | 1% |
| Tonight | 58°F | Mostly Clear | 5 to 10 mph E | 4% |
| Wednesday | 71°F | Showers And Thunderstorms Likely | 10 to 15 mph SE | 71% |
| Wednesday Night | 61°F | Showers And Thunderstorms | 0 to 10 mph SE | 93% |
| Thursday | 74°F | Chance Rain Showers | 0 to 5 mph SW | 32% |
| Thursday Night | 55°F | Chance Rain Showers | 0 mph | 33% |
| Friday | 70°F | Chance Rain Showers | 0 to 5 mph NW | 33% |
| Friday Night | 45°F | Partly Cloudy | 0 mph | 9% |
| Saturday | 63°F | Mostly Sunny | 0 to 5 mph NW | 14% |
| Saturday Night | 37°F | Partly Cloudy | 0 mph | 9% |
| Sunday | 62°F | Mostly Sunny | 0 to 5 mph NW | 5% |
| Sunday Night | 35°F | Slight Chance Rain Showers | 0 to 5 mph SW | 15% |
| Monday | 61°F | Slight Chance Rain Showers | 0 to 10 mph W | 19% |
| Monday Night | 35°F | Slight Chance Rain Showers | 0 to 5 mph SW | 19% |
Forecast source: National Weather Service (api.weather.gov) for Valley Forge (36.304, -82.195). Updated through the day.
Growing snapshot for Valley Forge
Last spring frost
Apr 30
First fall frost
Oct 12
Growing season
165 days
Hardiness zone
7a
More local growing data for Valley Forge: nearby ZIP 37658 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Roan Mtn 3Sw, Tn (7.4 mi from Valley Forge). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.