Buchanan, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Buchanan, a community in Henry County, Tennessee.
This Afternoon
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 101. West wind around 5 mph.
7-day forecast for Buchanan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Sunny | 5 mph W | 1% |
| Tonight | 72°F | Mostly Clear | 0 mph | 1% |
| Sunday | 96°F | Mostly Sunny | 0 to 5 mph SW | 2% |
| Sunday Night | 72°F | Partly Cloudy | 0 to 5 mph SSW | 2% |
| Monday | 93°F | Mostly Sunny | 0 to 5 mph NNW | 13% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph NNE | 26% |
| Tuesday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 21% |
| Tuesday Night | 61°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph N | 21% |
| Wednesday | 79°F | Mostly Sunny | 5 mph N | 4% |
| Wednesday Night | 59°F | Partly Cloudy | 5 mph N | 4% |
| Thursday | 79°F | Mostly Sunny | 5 mph N | 1% |
| Thursday Night | 59°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph NNE | 1% |
| Friday Night | 59°F | Partly Cloudy | 5 mph NNE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Buchanan (36.434, -88.203). Updated through the day.
Growing snapshot for Buchanan
Last spring frost
Apr 7
First fall frost
Oct 31
Growing season
206 days
Hardiness zone
7b
More local growing data for Buchanan: nearby ZIP 38222 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Paris 2 Se, Tn (13.4 mi from Buchanan). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.