Walnut Grove, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Walnut Grove, a community in Lauderdale County, Tennessee.
Today
88°F
Mostly Sunny
Mostly sunny. High near 88, with temperatures falling to around 85 in the afternoon. North wind 0 to 5 mph.
7-day forecast for Walnut Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Mostly Sunny | 0 to 5 mph N | 6% |
| Tonight | 69°F | Mostly Clear | 0 mph | 6% |
| Wednesday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 19% |
| Wednesday Night | 71°F | Mostly Clear | 0 mph | 2% |
| Thursday | 92°F | Sunny | 0 to 5 mph SSW | 5% |
| Thursday Night | 73°F | Partly Cloudy | 0 to 5 mph SSE | 11% |
| Friday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 21% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms | 0 mph | 21% |
| Saturday | 91°F | Chance Showers And Thunderstorms | 0 mph | 39% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 39% |
| Sunday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 28% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 28% |
| Monday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 24% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 24% |
Forecast source: National Weather Service (api.weather.gov) for Walnut Grove (35.048, -88.064). Updated through the day.
Growing snapshot for Walnut Grove
Last spring frost
Apr 9
First fall frost
Oct 28
Growing season
203 days
Hardiness zone
7b
More local growing data for Walnut Grove: nearby ZIP 35677 weather · frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Iuka, Ms (16.3 mi from Walnut Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.