Big Rock, TN Weather & Growing Conditions
Overnight
73°F
Partly Cloudy
Partly cloudy, with a low around 73. East southeast wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Partly Cloudy | 0 mph | 1% |
| Saturday | 98°F | Sunny | 0 to 5 mph SW | 2% |
| Saturday Night | 73°F | Mostly Clear | 0 mph | 1% |
| Sunday | 97°F | Sunny | 0 to 5 mph SW | 0% |
| Sunday Night | 72°F | Partly Cloudy | 0 to 5 mph SSW | 2% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NW | 28% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 0 to 5 mph NNE | 40% |
| Tuesday | 83°F | Chance Showers And Thunderstorms | 5 mph N | 40% |
| Tuesday Night | 61°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph N | 18% |
| Wednesday | 79°F | Mostly Sunny | 5 mph N | 12% |
| Wednesday Night | 59°F | Partly Cloudy | 0 to 5 mph N | 7% |
| Thursday | 79°F | Mostly Sunny | 5 mph N | 4% |
| Thursday Night | 59°F | Partly Cloudy | 0 to 5 mph NNE | 4% |
| Friday | 79°F | Mostly Sunny | 5 to 10 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Big Rock, TN
Last spring frost
Apr 4
First fall frost
Oct 31
Growing season
210 days
Hardiness zone
7a
Explore more for Big Rock, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Dover 1 W, Tn (8.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.