Harman US

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

WhenTempForecastWindPrecip
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.