Clarksburg, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clarksburg, a community in Decatur County, Indiana.
Overnight
57°F
Clear
Clear. Low around 57, with temperatures rising to around 60 overnight. East wind around 2 mph.
7-day forecast for Clarksburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Clear | 2 mph E | 0% |
| Tuesday | 82°F | Sunny | 2 mph NE | 0% |
| Tuesday Night | 62°F | Mostly Clear | 2 mph NNE | 0% |
| Wednesday | 84°F | Sunny | 2 mph N | 0% |
| Wednesday Night | 66°F | Mostly Clear | 2 mph SSE | 2% |
| Thursday | 84°F | Mostly Sunny then Scattered Showers And Thunderstorms | 5 mph SSW | 29% |
| Thursday Night | 67°F | Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SSW | 63% |
| Friday | 83°F | Chance Showers And Thunderstorms | 5 mph SSW | 62% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 62% |
| Saturday | 83°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 27% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SW | 27% |
| Sunday | 86°F | Mostly Sunny | 2 to 6 mph SW | 14% |
| Sunday Night | 69°F | Partly Cloudy | 5 mph SW | 14% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 mph SW | 20% |
Forecast source: National Weather Service (api.weather.gov) for Clarksburg (39.435, -85.349). Updated through the day.
Growing snapshot for Clarksburg
Last spring frost
Apr 15
First fall frost
Oct 26
Growing season
194 days
Hardiness zone
6a
More local growing data for Clarksburg: nearby ZIP 47225 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Adams
Andersonville
Burney
Greensburg
Lake Santee
Letts
Milford
Millhousen
New Point
Sardinia
St. Omer
St. Paul
Westport
Climate data from the nearest NOAA station, Greensburg, In (9.8 mi from Clarksburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.