Big Rock, TN Weather & Growing Conditions
Today
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 101. West southwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Sunny | 0 to 5 mph WSW | 2% |
| Tonight | 73°F | Mostly Clear | 0 mph | 2% |
| Sunday | 97°F | Mostly Sunny | 0 to 5 mph SW | 2% |
| Sunday Night | 72°F | Partly Cloudy | 0 mph | 2% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph N | 29% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 0 to 5 mph NNE | 41% |
| Tuesday | 82°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 40% |
| Tuesday Night | 61°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph N | 17% |
| Wednesday | 79°F | Mostly Sunny | 5 mph N | 11% |
| Wednesday Night | 59°F | Partly Cloudy | 0 to 5 mph N | 6% |
| Thursday | 79°F | Mostly Sunny | 0 to 5 mph N | 4% |
| Thursday Night | 59°F | Partly Cloudy | 0 to 5 mph NNE | 4% |
| Friday | 79°F | Mostly Sunny | 0 to 5 mph NNE | 4% |
| Friday Night | 58°F | Partly Cloudy | 0 to 5 mph NE | 4% |
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
7b
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 (10.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.