Harman US

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
89°F
Partly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after 3pm. Some of the storms could produce heavy rain. Partly sunny, with a high near 89. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for West Harrison

WhenTempForecastWindPrecip
Today 89°F Partly Sunny then Showers And Thunderstorms Likely 5 mph S 68%
Tonight 68°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 3 mph SE 58%
Sunday 89°F Mostly Sunny then Chance Showers And Thunderstorms 6 mph W 27%
Sunday Night 61°F Chance Showers And Thunderstorms 6 to 9 mph N 53%
Monday 73°F Chance Rain Showers 9 mph NE 54%
Monday Night 55°F Chance Showers And Thunderstorms 7 to 10 mph NE 50%
Tuesday 72°F Chance Showers And Thunderstorms 9 mph NE 32%
Tuesday Night 57°F Chance Showers And Thunderstorms 3 to 10 mph NE 37%
Wednesday 72°F Chance Rain Showers 6 mph NE 37%
Wednesday Night 56°F Chance Showers And Thunderstorms 2 to 8 mph N 37%
Thursday 72°F Mostly Cloudy 2 to 8 mph N 14%
Thursday Night 55°F Mostly Cloudy 2 to 8 mph N 14%
Friday 73°F Mostly Sunny 3 to 8 mph NE 8%
Friday Night 52°F Partly Cloudy 3 to 8 mph NE 5%

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

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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 Sep 19, 2026.