Harman US

Clarksville, TN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Clarksville, a city in Montgomery County, Tennessee.

This Afternoon
78°F
Partly Sunny
Partly sunny, with a high near 78. South southeast wind around 15 mph, with gusts as high as 25 mph.

7-day forecast for Clarksville

WhenTempForecastWindPrecip
This Afternoon 78°F Partly Sunny 15 mph SSE 2%
Tonight 62°F Showers And Thunderstorms 10 to 15 mph S 99%
Wednesday 74°F Rain Showers then Partly Sunny 5 to 15 mph SW 76%
Wednesday Night 46°F Partly Cloudy then Patchy Fog 0 to 5 mph WSW 0%
Thursday 72°F Patchy Fog then Mostly Sunny 0 to 5 mph SW 0%
Thursday Night 45°F Areas Of Fog 0 mph 0%
Friday 67°F Areas Of Fog then Mostly Sunny 0 to 10 mph NNW 2%
Friday Night 40°F Partly Cloudy 5 mph NNW 2%
Saturday 60°F Mostly Sunny 5 mph NNW 0%
Saturday Night 34°F Mostly Cloudy 0 to 5 mph NNW 1%
Sunday 62°F Mostly Sunny 0 to 10 mph NW 7%
Sunday Night 33°F Mostly Clear 0 to 5 mph WNW 8%
Monday 64°F Sunny 0 to 5 mph WNW 4%
Monday Night 35°F Mostly Clear 0 to 5 mph WSW 1%

Forecast source: National Weather Service (api.weather.gov) for Clarksville (36.566, -87.345). Updated through the day.

Growing snapshot for Clarksville

Last spring frost
Apr 10
First fall frost
Oct 30
Growing season
203 days
Hardiness zone
7b

More local growing data for Clarksville: nearby ZIP 37040 weather · frost dates · planting calendar · Tennessee frost dates

Climate data from the nearest NOAA station, Clarksville No.2, Tn (1.8 mi from Clarksville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.