Oak Grove, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oak Grove, a community in Sumner County, Tennessee.
Today
87°F
Sunny
Sunny, with a high near 87. North northeast wind around 5 mph.
7-day forecast for Oak Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 5 mph NNE | 2% |
| Tonight | 69°F | Mostly Clear then Patchy Fog | 0 to 5 mph N | 2% |
| Wednesday | 88°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 mph | 23% |
| Wednesday Night | 70°F | Partly Cloudy | 0 to 5 mph SSE | 7% |
| Thursday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SSW | 19% |
| Thursday Night | 72°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph S | 27% |
| Friday | 90°F | Chance Showers And Thunderstorms | 5 mph SSW | 35% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 5 mph S | 35% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 5 mph SSW | 47% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 47% |
| Sunday | 89°F | Chance Showers And Thunderstorms | 5 mph SSW | 34% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 34% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SSW | 18% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSW | 18% |
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 Aug 4, 2026.