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Oak Grove, TN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Oak Grove, a community in Washington County, Tennessee.

Overnight
66°F
Areas Of Fog
Areas of fog. Mostly cloudy, with a low around 66. Wind around 0 mph.

7-day forecast for Oak Grove

WhenTempForecastWindPrecip
Overnight 66°F Areas Of Fog 0 mph 2%
Saturday 89°F Areas Of Fog then Slight Chance Showers And Thunderstorms 0 mph 17%
Saturday Night 66°F Slight Chance Showers And Thunderstorms 0 mph 23%
Sunday 87°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph S 27%
Sunday Night 64°F Chance Showers And Thunderstorms 0 to 5 mph S 38%
Monday 87°F Mostly Sunny then Chance Showers And Thunderstorms 0 mph 51%
Monday Night 64°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 0 mph 65%
Tuesday 82°F Showers And Thunderstorms 0 to 5 mph S 87%
Tuesday Night 61°F Showers And Thunderstorms 5 mph SE 87%
Wednesday 76°F Rain Showers Likely 5 mph SE 69%
Wednesday Night 58°F Showers And Thunderstorms Likely 0 to 5 mph E 69%
Thursday 76°F Chance Rain Showers 0 to 5 mph NW 47%
Thursday Night 56°F Chance Rain Showers 0 to 5 mph NE 32%
Friday 75°F Partly Sunny then Slight Chance Rain Showers 0 to 5 mph N 18%

Forecast source: National Weather Service (api.weather.gov) for Oak Grove (36.425, -82.434). Updated through the day.

Growing snapshot for Oak Grove

Last spring frost
Apr 16
First fall frost
Oct 24
Growing season
190 days
Hardiness zone
7b

More local growing data for Oak Grove: nearby ZIP 37615 weather · frost dates · planting calendar · Tennessee frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Bristol Tri City Ap, Tn (5.8 mi from Oak Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.