Clarksville, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clarksville, a city in Montgomery County, Tennessee.
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 103. West wind around 5 mph.
7-day forecast for Clarksville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 5 mph W | 5% |
| Tonight | 73°F | Mostly Clear | 0 to 5 mph SSW | 1% |
| Sunday | 98°F | Sunny | 0 to 10 mph SW | 2% |
| Sunday Night | 72°F | Partly Cloudy | 0 to 5 mph SSW | 2% |
| Monday | 95°F | Mostly Sunny | 0 to 10 mph NW | 13% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 mph NE | 33% |
| Tuesday | 87°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 24% |
| Tuesday Night | 61°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph N | 24% |
| Wednesday | 80°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph N | 17% |
| Wednesday Night | 59°F | Partly Cloudy | 5 to 10 mph N | 11% |
| Thursday | 80°F | Mostly Sunny | 5 to 10 mph N | 4% |
| Thursday Night | 58°F | Partly Cloudy | 5 to 10 mph NNE | 4% |
| Friday | 79°F | Mostly Sunny | 5 to 10 mph NNE | 5% |
| Friday Night | 57°F | Partly Cloudy | 5 to 10 mph NNE | 5% |
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 Sep 19, 2026.