West Harrison, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Harrison, a town in Dearborn County, Indiana.
Today
85°F
Sunny
Sunny, with a high near 85. Northeast wind around 3 mph.
7-day forecast for West Harrison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 3 mph NE | 0% |
| Tonight | 63°F | Mostly Clear | 2 mph N | 1% |
| Wednesday | 88°F | Sunny | 0 to 3 mph NW | 10% |
| Wednesday Night | 66°F | Mostly Clear | 2 mph NW | 3% |
| Thursday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 6 mph SW | 23% |
| Thursday Night | 68°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 mph SW | 62% |
| Friday | 86°F | Showers And Thunderstorms Likely | 1 to 6 mph SW | 66% |
| Friday Night | 67°F | Showers And Thunderstorms Likely | 0 to 3 mph W | 66% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 0 to 6 mph SW | 36% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 3 mph SW | 32% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 7 mph SW | 15% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 15% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 21% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 28% |
Forecast source: National Weather Service (api.weather.gov) for West Harrison (39.258, -84.822). Updated through the day.
Growing snapshot for West Harrison
Last spring frost
Apr 20
First fall frost
Oct 21
Growing season
182 days
Hardiness zone
6b
More local growing data for West Harrison: nearby ZIP 47060 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Brookville, In (12 mi from West Harrison). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.