Oak Grove, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oak Grove, a community in Sumner County, Tennessee.
This Afternoon
77°F
Partly Sunny
Partly sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Oak Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Partly Sunny | 15 mph S | 2% |
| Tonight | 63°F | Showers And Thunderstorms | 15 mph SSE | 97% |
| Wednesday | 72°F | Showers And Thunderstorms | 5 to 15 mph SSW | 94% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph WSW | 1% |
| Thursday | 70°F | Patchy Fog then Mostly Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 45°F | Areas Of Fog | 0 mph | 0% |
| Friday | 66°F | Areas Of Fog then Mostly Sunny | 0 to 10 mph NNW | 1% |
| Friday Night | 40°F | Partly Cloudy | 5 mph NNW | 1% |
| Saturday | 59°F | Mostly Sunny | 5 mph NNW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph NNW | 1% |
| Sunday | 60°F | Mostly Sunny | 0 to 5 mph NW | 6% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 9% |
| Monday | 62°F | Sunny | 0 to 5 mph W | 6% |
| Monday Night | 35°F | Mostly Clear | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov) for Oak Grove (36.572, -86.378). Updated through the day.
Growing snapshot for Oak Grove
Last spring frost
Apr 16
First fall frost
Oct 23
Growing season
189 days
Hardiness zone
7b
More local growing data for Oak Grove: nearby ZIP 37022 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Bethpage
Bransford
Castalian Springs
Cottontown
Gallatin
Graball
Hendersonville
Mitchellville
New Deal
Portland
Shackle Island
Walnut Grove
Westmoreland
Climate data from the nearest NOAA station, Bethpage 1 S, Tn (3.9 mi from Oak Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.