College Corner, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for College Corner, a village in Union County, Ohio.
Today
83°F
Sunny
Sunny, with a high near 83. Northeast wind around 2 mph.
7-day forecast for College Corner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 2 mph NE | 0% |
| Tonight | 61°F | Mostly Clear | 2 mph NE | 1% |
| Wednesday | 85°F | Sunny | 0 to 3 mph N | 4% |
| Wednesday Night | 64°F | Mostly Clear | 3 mph NW | 3% |
| Thursday | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 7 mph SW | 28% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph SW | 64% |
| Friday | 83°F | Showers And Thunderstorms Likely | 2 to 6 mph SW | 64% |
| Friday Night | 65°F | Showers And Thunderstorms Likely | 5 mph SW | 64% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 28% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 28% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 9 mph SW | 15% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph SW | 15% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 24% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 28% |
Forecast source: National Weather Service (api.weather.gov) for College Corner (39.569, -84.811). Updated through the day.
Growing snapshot for College Corner
Last spring frost
Apr 20
First fall frost
Oct 21
Growing season
182 days
Hardiness zone
6a
More local growing data for College Corner: nearby ZIP 47003 weather · frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Brookville, In (13.4 mi from College Corner). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.