Clarksville, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clarksville, a town in Clark County, Indiana.
Today
94°F
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Sunny, with a high near 94. Heat index values as high as 102. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Clarksville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny then Chance Showers And Thunderstorms | 6 mph S | 30% |
| Tonight | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SE | 30% |
| Sunday | 94°F | Mostly Sunny | 5 to 8 mph SW | 2% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 8 mph N | 15% |
| Monday | 83°F | Chance Showers And Thunderstorms | 9 mph NE | 48% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 48% |
| Tuesday | 76°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 9 mph NE | 28% |
| Tuesday Night | 59°F | Chance Showers And Thunderstorms | 6 to 10 mph N | 34% |
| Wednesday | 75°F | Chance Rain Showers | 7 mph N | 34% |
| Wednesday Night | 57°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 9 mph N | 15% |
| Thursday | 75°F | Mostly Sunny | 5 to 8 mph N | 9% |
| Thursday Night | 57°F | Partly Cloudy | 5 to 8 mph N | 9% |
| Friday | 75°F | Mostly Sunny | 5 to 9 mph NE | 6% |
| Friday Night | 56°F | Partly Cloudy | 5 to 9 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Clarksville (38.322, -85.768). Updated through the day.
Growing snapshot for Clarksville
Last spring frost
Mar 31
First fall frost
Nov 9
Growing season
225 days
Hardiness zone
7a
More local growing data for Clarksville: nearby ZIP 47129 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Louisville Mcalpine, Ky (2.7 mi from Clarksville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.