West Harrison, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Harrison, a town in Dearborn County, Indiana.
This Afternoon
68°F
Rain
Rain. Cloudy, with a high near 68. South wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for West Harrison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Rain | 9 to 13 mph S | 88% |
| Tonight | 47°F | Slight Chance Light Rain then Mostly Cloudy | 2 to 7 mph SW | 18% |
| Thursday | 65°F | Mostly Sunny | 3 to 10 mph SW | 0% |
| Thursday Night | 42°F | Partly Cloudy | 1 to 5 mph W | 4% |
| Friday | 57°F | Mostly Cloudy | 1 to 8 mph NW | 11% |
| Friday Night | 34°F | Mostly Cloudy | 2 to 7 mph NW | 8% |
| Saturday | 54°F | Mostly Sunny | 2 to 7 mph NW | 0% |
| Saturday Night | 30°F | Partly Cloudy | 0 to 3 mph NW | 0% |
| Sunday | 57°F | Sunny | 0 to 8 mph W | 0% |
| Sunday Night | 31°F | Mostly Clear | 0 to 3 mph W | 0% |
| Monday | 62°F | Sunny | 0 to 6 mph W | 0% |
| Monday Night | 35°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 65°F | Sunny | 2 to 6 mph W | 1% |
| Tuesday Night | 35°F | Mostly Clear | 0 to 3 mph NW | 3% |
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 Nov 4, 2026.