Eldorado, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Eldorado, a village in Preble County, Ohio.
This Afternoon
75°F
Partly Sunny
Partly sunny, with a high near 75. Northeast wind around 9 mph.
7-day forecast for Eldorado
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Partly Sunny | 9 mph NE | 1% |
| Tonight | 57°F | Partly Cloudy | 6 to 9 mph E | 3% |
| Saturday | 80°F | Showers And Thunderstorms Likely | 8 mph SE | 59% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely | 5 to 8 mph S | 68% |
| Sunday | 80°F | Chance Rain Showers | 8 mph W | 54% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 56% |
| Monday | 71°F | Showers And Thunderstorms Likely | 14 mph NE | 57% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 12 to 16 mph NE | 49% |
| Tuesday | 69°F | Chance Showers And Thunderstorms | 14 mph NE | 36% |
| Tuesday Night | 55°F | Chance Showers And Thunderstorms | 8 to 15 mph NE | 25% |
| Wednesday | 69°F | Slight Chance Rain Showers | 10 mph NE | 19% |
| Wednesday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 12 mph N | 16% |
| Thursday | 70°F | Partly Sunny | 10 mph N | 11% |
| Thursday Night | 53°F | Mostly Cloudy | 6 to 10 mph N | 10% |
Forecast source: National Weather Service (api.weather.gov) for Eldorado (39.904, -84.675). Updated through the day.
Growing snapshot for Eldorado
Last spring frost
Apr 25
First fall frost
Oct 20
Growing season
176 days
Hardiness zone
6a
More local growing data for Eldorado: nearby ZIP 45321 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Camden
Castine
Eaton
Gordon
Gratis
Lake Lakengren
Lewisburg
New Paris
Verona
West Alexandria
West Elkton
West Manchester
Climate data from the nearest NOAA station, Eaton, Oh (9.6 mi from Eldorado). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.