Big Sandy, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Sandy, a town in Benton County, Tennessee.
Today
88°F
Sunny
Sunny. High near 88, with temperatures falling to around 85 in the afternoon. North northeast wind 0 to 5 mph.
7-day forecast for Big Sandy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 0 to 5 mph NNE | 1% |
| Tonight | 68°F | Mostly Clear | 0 to 5 mph NNE | 1% |
| Wednesday | 90°F | Mostly Sunny | 0 mph | 4% |
| Wednesday Night | 70°F | Mostly Clear | 0 mph | 5% |
| Thursday | 93°F | Sunny | 0 to 5 mph SSW | 2% |
| Thursday Night | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 15% |
| Friday | 92°F | Slight Chance Showers And Thunderstorms | 5 mph SSW | 22% |
| Friday Night | 71°F | Slight Chance Showers And Thunderstorms | 0 mph | 22% |
| Saturday | 91°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 43% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 43% |
| Sunday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 23% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 23% |
| Monday | 92°F | Mostly Sunny | 0 to 5 mph SSW | 8% |
| Monday Night | 72°F | Partly Cloudy | 0 to 5 mph SSW | 8% |
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 Aug 4, 2026.