Harman US

Walnut Grove, TN Weather & Growing Conditions

Overnight
63°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 63. South southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 63°F Showers And Thunderstorms 15 to 20 mph SSE 98%
Wednesday 72°F Showers And Thunderstorms 5 to 20 mph SW 99%
Wednesday Night 48°F Partly Cloudy 0 to 5 mph W 0%
Thursday 69°F Mostly Sunny 0 to 5 mph WSW 0%
Thursday Night 45°F Mostly Clear 0 mph 0%
Friday 65°F Mostly Sunny 0 to 10 mph NW 0%
Friday Night 40°F Partly Cloudy 5 to 10 mph NNW 0%
Saturday 57°F Mostly Sunny 5 to 10 mph N 0%
Saturday Night 35°F Partly Cloudy 0 to 5 mph N 0%
Sunday 57°F Mostly Sunny 0 to 10 mph N 1%
Sunday Night 34°F Mostly Clear 0 to 5 mph N 0%
Monday 61°F Sunny 0 to 5 mph SSW 0%
Monday Night 36°F Clear 0 mph 1%
Tuesday 66°F Sunny 0 to 5 mph WSW 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Walnut Grove, TN

Last spring frost
Apr 7
First fall frost
Oct 30
Growing season
206 days
Hardiness zone
7b

Explore more for Walnut Grove, TN: full frost dates · planting calendar · Tennessee frost dates

Climate data from the nearest NOAA station, White House, Tn (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.