Harman US

Oak Ridge, TN Weather & Growing Conditions

Today
69°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 69. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 69°F Showers And Thunderstorms 5 to 10 mph S 93%
Tonight 59°F Showers And Thunderstorms 0 to 5 mph SW 96%
Thursday 72°F Mostly Sunny 0 to 5 mph W 2%
Thursday Night 49°F Partly Cloudy 0 mph 4%
Friday 70°F Sunny 0 to 5 mph NW 4%
Friday Night 44°F Mostly Clear 0 to 5 mph NW 1%
Saturday 60°F Mostly Sunny 0 to 5 mph N 0%
Saturday Night 37°F Partly Cloudy 0 to 5 mph N 0%
Sunday 59°F Mostly Sunny 0 to 5 mph NE 0%
Sunday Night 36°F Mostly Clear 0 to 5 mph N 1%
Monday 61°F Sunny 0 mph 1%
Monday Night 37°F Mostly Clear 0 mph 1%
Tuesday 65°F Sunny 0 mph 2%
Tuesday Night 39°F Mostly Clear 0 mph 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Oak Ridge, TN

Last spring frost
Apr 5
First fall frost
Nov 1
Growing season
210 days
Hardiness zone
7b

Explore more for Oak Ridge, TN: full frost dates · planting calendar · Tennessee frost dates

Climate data from the nearest NOAA station, Oak Ridge Atdd, Tn (3.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.