Greenfield, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenfield, a city in Weakley County, Tennessee.
Overnight
72°F
Mostly Clear
Mostly clear, with a low around 72. Wind around 0 mph.
7-day forecast for Greenfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Mostly Clear | 0 mph | 1% |
| Saturday | 99°F | Sunny | 0 to 5 mph WSW | 2% |
| Saturday Night | 72°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 99°F | Sunny | 0 to 5 mph SW | 0% |
| Sunday Night | 73°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Monday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 17% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph N | 35% |
| Tuesday | 87°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph N | 21% |
| Tuesday Night | 62°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph NNE | 21% |
| Wednesday | 82°F | Mostly Sunny | 5 to 10 mph N | 8% |
| Wednesday Night | 60°F | Mostly Clear | 5 to 10 mph NNE | 8% |
| Thursday | 81°F | Mostly Sunny | 5 to 10 mph NNE | 7% |
| Thursday Night | 61°F | Partly Cloudy | 0 to 10 mph NNE | 7% |
| Friday | 81°F | Mostly Sunny | 5 to 10 mph NNE | 5% |
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
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 Sep 19, 2026.