Prospect, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prospect, a village in Marion County, Ohio.
Overnight
53°F
Mostly Clear
Mostly clear, with a low around 53. East wind around 2 mph.
7-day forecast for Prospect
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Clear | 2 mph E | 0% |
| Tuesday | 83°F | Sunny | 3 mph E | 0% |
| Tuesday Night | 62°F | Mostly Clear | 2 mph NE | 0% |
| Wednesday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph SE | 21% |
| Wednesday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 18% |
| Thursday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 9 mph SW | 52% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 8 mph SW | 63% |
| Friday | 84°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 9 mph SW | 67% |
| Friday Night | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 7 mph SW | 67% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 29% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 29% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 13 mph SW | 19% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 7 to 12 mph SW | 31% |
| Monday | 87°F | Chance Rain Showers | 8 to 13 mph SW | 36% |
Forecast source: National Weather Service (api.weather.gov) for Prospect (40.454, -83.185). Updated through the day.
Growing snapshot for Prospect
Last spring frost
Apr 25
First fall frost
Oct 20
Growing season
178 days
Hardiness zone
6a
More local growing data for Prospect: nearby ZIP 43342 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Marion 2 N, Oh (10.4 mi from Prospect). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.