Walnut Grove, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Walnut Grove, a community in Lauderdale County, Tennessee.
This Afternoon
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 102. North wind around 0 mph.
7-day forecast for Walnut Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 0 mph | 1% |
| Tonight | 73°F | Mostly Clear | 0 mph | 1% |
| Saturday | 99°F | Sunny | 0 mph | 2% |
| Saturday Night | 73°F | Mostly Clear | 0 mph | 2% |
| Sunday | 98°F | Sunny | 0 mph | 2% |
| Sunday Night | 73°F | Partly Cloudy | 0 mph | 3% |
| Monday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 18% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 mph | 32% |
| Tuesday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph N | 28% |
| Tuesday Night | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 28% |
| Wednesday | 87°F | Slight Chance Rain Showers | 5 mph N | 17% |
| Wednesday Night | 63°F | Slight Chance Rain Showers then Mostly Clear | 0 to 5 mph NNE | 17% |
| Thursday | 85°F | Sunny | 5 mph NNE | 6% |
| Thursday Night | 62°F | Partly Cloudy | 0 to 5 mph NNE | 6% |
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 Sep 19, 2026.