Big Sandy, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Sandy, a town in Benton County, Tennessee.
Tonight
73°F
Mostly Clear
Mostly clear, with a low around 73. Southeast wind around 0 mph.
7-day forecast for Big Sandy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Mostly Clear | 0 mph | 1% |
| Saturday | 99°F | Sunny | 0 to 5 mph WSW | 2% |
| Saturday Night | 73°F | Mostly Clear | 0 mph | 0% |
| Sunday | 99°F | Sunny | 0 to 5 mph SW | 1% |
| Sunday Night | 73°F | Partly Cloudy | 0 to 5 mph SSE | 1% |
| Monday | 95°F | Mostly Sunny | 5 mph W | 13% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 mph NNE | 37% |
| Tuesday | 87°F | Chance Rain Showers | 5 to 10 mph N | 27% |
| Tuesday Night | 63°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph N | 27% |
| Wednesday | 82°F | Mostly Sunny | 5 mph N | 13% |
| Wednesday Night | 61°F | Mostly Clear | 5 mph N | 11% |
| Thursday | 80°F | Sunny | 5 mph NNE | 6% |
| Thursday Night | 61°F | Partly Cloudy | 5 mph NNE | 6% |
| Friday | 80°F | Mostly Sunny | 5 to 10 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Big Sandy (36.233, -88.085). Updated through the day.
Growing snapshot for Big Sandy
Last spring frost
Apr 8
First fall frost
Oct 29
Growing season
202 days
Hardiness zone
7b
More local growing data for Big Sandy: nearby ZIP 38221 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Big Sandy, Tn (2.8 mi from Big Sandy). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.