Hornsby, TN Weather & Growing Conditions
Today
89°F
Sunny
Sunny, with a high near 89. North wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Sunny | 0 to 5 mph N | 0% |
| Tonight | 69°F | Mostly Clear | 0 to 5 mph N | 1% |
| Wednesday | 91°F | Mostly Sunny | 0 mph | 6% |
| Wednesday Night | 70°F | Mostly Clear | 0 mph | 1% |
| Thursday | 94°F | Sunny | 0 to 5 mph SW | 5% |
| Thursday Night | 73°F | Partly Cloudy | 0 mph | 10% |
| Friday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 24% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Saturday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 38% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 38% |
| Sunday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 23% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 23% |
| Monday | 92°F | Mostly Sunny | 0 to 5 mph SSW | 13% |
| Monday Night | 73°F | Partly Cloudy | 0 mph | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hornsby, TN
Last spring frost
Apr 3
First fall frost
Oct 30
Growing season
210 days
Hardiness zone
7b
Explore more for Hornsby, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Bolivar Wtr Wks, Tn (10.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.