Harman US

Columbia, TN Weather & Growing Conditions

Today
90°F
Patchy Fog then Mostly Sunny
Patchy fog before 9am. Mostly sunny, with a high near 90. Heat index values as high as 98. North northeast wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 90°F Patchy Fog then Mostly Sunny 0 to 5 mph NNE 10%
Tonight 69°F Patchy Fog 0 to 5 mph N 11%
Wednesday 91°F Patchy Fog then Slight Chance Showers And Thunderstorms 0 mph 23%
Wednesday Night 70°F Patchy Fog 0 mph 12%
Thursday 93°F Patchy Fog then Sunny 0 to 5 mph SSW 8%
Thursday Night 72°F Partly Cloudy 0 mph 14%
Friday 93°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph SSW 41%
Friday Night 71°F Chance Showers And Thunderstorms 0 mph 41%
Saturday 92°F Chance Showers And Thunderstorms 0 mph 50%
Saturday Night 71°F Chance Showers And Thunderstorms 0 mph 50%
Sunday 92°F Chance Showers And Thunderstorms 0 mph 37%
Sunday Night 71°F Chance Showers And Thunderstorms then Partly Cloudy 0 mph 37%
Monday 93°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph SSW 26%
Monday Night 73°F Chance Showers And Thunderstorms then Partly Cloudy 0 mph 26%

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

Growing snapshot for Columbia, TN

Last spring frost
Apr 10
First fall frost
Oct 27
Growing season
199 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Columbia 3 Wnw, Tn (9.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.