College Corner, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for College Corner, a village in Union County, Ohio.
Overnight
60°F
Rain
Rain. Cloudy, with a low around 60. South wind around 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for College Corner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Rain | 13 mph S | 78% |
| Wednesday | 66°F | Rain | 9 to 16 mph S | 98% |
| Wednesday Night | 46°F | Mostly Cloudy | 5 to 8 mph SW | 8% |
| Thursday | 62°F | Mostly Sunny | 5 to 12 mph SW | 0% |
| Thursday Night | 42°F | Mostly Cloudy | 2 to 6 mph SW | 1% |
| Friday | 56°F | Slight Chance Light Rain | 2 to 10 mph NW | 19% |
| Friday Night | 35°F | Slight Chance Light Rain then Mostly Cloudy | 5 to 9 mph NW | 19% |
| Saturday | 53°F | Partly Sunny | 8 mph NW | 1% |
| Saturday Night | 31°F | Partly Cloudy | 5 mph NW | 0% |
| Sunday | 56°F | Mostly Sunny | 2 to 9 mph W | 2% |
| Sunday Night | 31°F | Mostly Clear | 6 mph W | 2% |
| Monday | 60°F | Sunny | 2 to 7 mph W | 2% |
| Monday Night | 35°F | Mostly Clear | 5 mph SW | 1% |
| Tuesday | 64°F | Sunny | 7 mph W | 1% |
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 Nov 4, 2026.