Clarksville, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clarksville, a city in Johnson County, Arkansas.
Tonight
74°F
Clear
Clear, with a low around 74. Heat index values as high as 97. East northeast wind 0 to 5 mph.
7-day forecast for Clarksville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Clear | 0 to 5 mph ENE | 0% |
| Saturday | 97°F | Sunny | 0 to 5 mph SSW | 0% |
| Saturday Night | 73°F | Mostly Clear | 0 to 5 mph E | 0% |
| Sunday | 96°F | Sunny | 0 to 5 mph S | 0% |
| Sunday Night | 74°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph ENE | 16% |
| Monday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph WNW | 31% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 mph N | 31% |
| Tuesday | 88°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph NNE | 15% |
| Tuesday Night | 66°F | Partly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 86°F | Sunny | 5 mph NE | 6% |
| Wednesday Night | 64°F | Mostly Clear | 5 mph ENE | 6% |
| Thursday | 86°F | Sunny | 5 mph ENE | 3% |
| Thursday Night | 65°F | Partly Cloudy | 5 mph ENE | 3% |
| Friday | 86°F | Mostly Sunny | 5 mph ENE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Clarksville (35.454, -93.482). Updated through the day.
Growing snapshot for Clarksville
Last spring frost
Mar 24
First fall frost
Nov 10
Growing season
233 days
Hardiness zone
8a
More local growing data for Clarksville: nearby ZIP 72830 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Clarksville 2N, Ar (2.4 mi from Clarksville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.