Harman US

Greenfield, TN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Greenfield, a city in Weakley County, Tennessee.

This Afternoon
77°F
Partly Sunny
Partly sunny. High near 77, with temperatures falling to around 73 in the afternoon. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.

7-day forecast for Greenfield

WhenTempForecastWindPrecip
This Afternoon 77°F Partly Sunny 15 to 20 mph SSE 3%
Tonight 58°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms 5 to 15 mph S 99%
Wednesday 70°F Partly Sunny 5 to 10 mph WSW 11%
Wednesday Night 43°F Partly Cloudy 0 to 5 mph W 0%
Thursday 70°F Mostly Sunny 0 to 5 mph WSW 0%
Thursday Night 45°F Partly Cloudy 0 mph 0%
Friday 64°F Mostly Sunny 0 to 10 mph NNW 3%
Friday Night 39°F Partly Cloudy 0 to 5 mph N 0%
Saturday 59°F Mostly Sunny 0 to 5 mph N 0%
Saturday Night 34°F Mostly Cloudy 0 mph 0%
Sunday 61°F Sunny 0 to 5 mph NW 6%
Sunday Night 33°F Mostly Clear 0 to 5 mph NW 4%
Monday 64°F Sunny 0 to 5 mph WNW 1%
Monday Night 35°F Mostly Clear 0 mph 0%

Forecast source: National Weather Service (api.weather.gov) for Greenfield (36.165, -88.807). Updated through the day.

Growing snapshot for Greenfield

Last spring frost
Apr 3
First fall frost
Nov 1
Growing season
212 days
Hardiness zone
7b

More local growing data for Greenfield: nearby ZIP 38230 weather · frost dates · planting calendar · Tennessee frost dates

Nearby towns & communities

All Tennessee locations ›

Climate data from the nearest NOAA station, Dresden, Tn (9.7 mi from Greenfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.