Caledonia, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Caledonia, a village in Marion County, Ohio.
Overnight
61°F
Slight Chance Light Rain
A slight chance of rain after 5am. Mostly cloudy, with a low around 61. South wind 15 to 18 mph. Chance of precipitation is 20%.
7-day forecast for Caledonia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Slight Chance Light Rain | 15 to 18 mph S | 20% |
| Wednesday | 66°F | Light Rain | 21 mph S | 90% |
| Wednesday Night | 51°F | Light Rain Likely | 8 to 20 mph SW | 74% |
| Thursday | 64°F | Mostly Sunny | 9 to 16 mph SW | 3% |
| Thursday Night | 45°F | Partly Cloudy | 2 to 9 mph SW | 2% |
| Friday | 59°F | Partly Sunny then Slight Chance Light Rain | 2 to 9 mph W | 23% |
| Friday Night | 38°F | Slight Chance Light Rain | 9 mph NW | 23% |
| Saturday | 53°F | Slight Chance Light Rain | 12 mph NW | 20% |
| Saturday Night | 33°F | Slight Chance Light Rain then Partly Cloudy | 2 to 7 mph W | 20% |
| Sunday | 54°F | Mostly Sunny then Slight Chance Light Rain | 3 to 12 mph SW | 16% |
| Sunday Night | 33°F | Slight Chance Light Rain | 7 to 10 mph W | 16% |
| Monday | 57°F | Slight Chance Light Rain | 7 to 13 mph W | 19% |
| Monday Night | 36°F | Slight Chance Light Rain then Partly Cloudy | 12 mph SW | 19% |
| Tuesday | 61°F | Mostly Sunny | 9 to 14 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for Caledonia (40.636, -82.970). Updated through the day.
Growing snapshot for Caledonia
Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
178 days
Hardiness zone
6a
More local growing data for Caledonia: nearby ZIP 43314 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Marion Muni Ap, Oh (5.8 mi from Caledonia). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.