Mendon, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mendon, a village in Mercer County, Ohio.
Today
81°F
Sunny
Sunny, with a high near 81. East wind around 1 mph.
7-day forecast for Mendon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 1 mph E | 0% |
| Tonight | 60°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 84°F | Sunny | 0 to 3 mph SW | 0% |
| Wednesday Night | 65°F | Mostly Clear | 3 mph SW | 5% |
| Thursday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph SW | 54% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph SW | 67% |
| Friday | 82°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 6 mph SW | 67% |
| Friday Night | 65°F | Chance Showers And Thunderstorms | 5 mph SW | 43% |
| Saturday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 17% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 mph SW | 17% |
| Sunday | 85°F | Mostly Sunny | 6 to 14 mph SW | 14% |
| Sunday Night | 69°F | Partly Cloudy then Chance Rain Showers | 8 to 13 mph SW | 26% |
| Monday | 86°F | Chance Rain Showers | 9 to 13 mph SW | 27% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 43% |
Forecast source: National Weather Service (api.weather.gov) for Mendon (40.673, -84.518). Updated through the day.
Growing snapshot for Mendon
Last spring frost
Apr 27
First fall frost
Oct 19
Growing season
175 days
Hardiness zone
6a
More local growing data for Mendon: nearby ZIP 45862 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Celina 3 Ne, Oh (7.1 mi from Mendon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.