Clarksville, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clarksville, a city in Johnson County, Arkansas.
Today
96°F
Sunny
Sunny, with a high near 96. Heat index values as high as 99. East southeast wind around 5 mph.
7-day forecast for Clarksville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Sunny | 5 mph ESE | 0% |
| Tonight | 75°F | Mostly Clear | 5 mph E | 0% |
| Wednesday | 98°F | Mostly Sunny | 0 to 5 mph SE | 2% |
| Wednesday Night | 76°F | Partly Cloudy | 5 mph ESE | 3% |
| Thursday | 98°F | Mostly Sunny | 0 to 5 mph S | 14% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms | 0 to 5 mph ESE | 27% |
| Friday | 94°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 42% |
| Friday Night | 75°F | Chance Showers And Thunderstorms | 0 to 5 mph ESE | 42% |
| Saturday | 94°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 24% |
| Saturday Night | 75°F | Mostly Clear | 0 to 5 mph SE | 10% |
| Sunday | 96°F | Sunny | 0 to 5 mph SSE | 7% |
| Sunday Night | 76°F | Partly Cloudy | 0 to 5 mph SE | 7% |
| Monday | 95°F | Mostly Sunny | 0 to 5 mph SSE | 9% |
| Monday Night | 76°F | Partly Cloudy | 0 to 5 mph SE | 9% |
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 Aug 4, 2026.