Gallatin, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gallatin, a city in Sumner County, Tennessee.
This Afternoon
79°F
Partly Sunny
Partly sunny. High near 79, with temperatures falling to around 75 in the afternoon. South southeast wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Gallatin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Partly Sunny | 15 mph SSE | 2% |
| Tonight | 63°F | Showers And Thunderstorms | 15 mph SSE | 97% |
| Wednesday | 74°F | Showers And Thunderstorms | 5 to 15 mph SSW | 96% |
| Wednesday Night | 48°F | Partly Cloudy then Areas Of Fog | 0 to 5 mph WSW | 1% |
| Thursday | 72°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 45°F | Areas Of Fog | 0 mph | 0% |
| Friday | 69°F | Areas Of Fog then Mostly Sunny | 0 to 10 mph NW | 1% |
| Friday Night | 40°F | Partly Cloudy | 5 mph NNW | 1% |
| Saturday | 62°F | Mostly Sunny | 5 to 10 mph NNW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph NNW | 1% |
| Sunday | 63°F | Mostly Sunny | 0 to 10 mph NW | 6% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph WNW | 9% |
| Monday | 64°F | Sunny | 0 to 5 mph W | 6% |
| Monday Night | 34°F | Mostly Clear | 0 to 5 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Gallatin (36.382, -86.467). Updated through the day.
Growing snapshot for Gallatin
Last spring frost
Apr 16
First fall frost
Oct 23
Growing season
189 days
Hardiness zone
7b
More local growing data for Gallatin: nearby ZIP 37066 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Bethpage
Bransford
Castalian Springs
Cottontown
Graball
Hendersonville
Mitchellville
New Deal
Oak Grove
Portland
Shackle Island
Walnut Grove
Westmoreland
Climate data from the nearest NOAA station, Bethpage 1 S, Tn (8.4 mi from Gallatin). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.