Hornsby, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hornsby, a town in Hardeman County, Tennessee.
Tonight
73°F
Mostly Clear
Mostly clear, with a low around 73. Wind around 0 mph.
7-day forecast for Hornsby
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Mostly Clear | 0 mph | 1% |
| Saturday | 100°F | Sunny | 0 to 5 mph WNW | 2% |
| Saturday Night | 73°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 100°F | Sunny | 0 to 5 mph WSW | 2% |
| Sunday Night | 72°F | Partly Cloudy | 0 mph | 2% |
| Monday | 98°F | Mostly Sunny | 0 to 5 mph W | 9% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 21% |
| Tuesday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph N | 15% |
| Tuesday Night | 65°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph N | 15% |
| Wednesday | 86°F | Mostly Sunny | 5 to 10 mph N | 10% |
| Wednesday Night | 62°F | Mostly Clear | 0 to 10 mph NNE | 8% |
| Thursday | 85°F | Sunny | 5 to 10 mph NNE | 5% |
| Thursday Night | 62°F | Partly Cloudy | 0 to 10 mph NNE | 5% |
| Friday | 84°F | Mostly Sunny | 5 to 10 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Hornsby (35.229, -88.830). Updated through the day.
Growing snapshot for Hornsby
Last spring frost
Apr 3
First fall frost
Oct 30
Growing season
210 days
Hardiness zone
7b
More local growing data for Hornsby: nearby ZIP 38044 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bolivar Wtr Wks, Tn (10.7 mi from Hornsby). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.