Port Clinton, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Clinton, a city in Ottawa County, Ohio.
Tonight
66°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of rain showers before 8pm, then a slight chance of showers and thunderstorms between 8pm and midnight, then showers and thunderstorms. Cloudy, with a low around 66. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Port Clinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph S | 94% |
| Sunday | 69°F | Showers And Thunderstorms | 6 to 18 mph NW | 83% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms then Mostly Cloudy | 18 to 23 mph NE | 48% |
| Monday | 66°F | Mostly Cloudy | 22 to 28 mph NE | 12% |
| Monday Night | 60°F | Mostly Cloudy | 26 mph NE | 13% |
| Tuesday | 64°F | Mostly Cloudy then Chance Rain Showers | 22 to 25 mph NE | 33% |
| Tuesday Night | 58°F | Showers And Thunderstorms Likely | 21 to 25 mph E | 63% |
| Wednesday | 65°F | Rain Showers Likely | 22 mph E | 68% |
| Wednesday Night | 57°F | Showers And Thunderstorms Likely | 14 to 21 mph E | 68% |
| Thursday | 66°F | Chance Rain Showers | 14 to 17 mph E | 44% |
| Thursday Night | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 9 to 16 mph NE | 15% |
| Friday | 68°F | Slight Chance Rain Showers then Mostly Sunny | 9 to 14 mph NE | 15% |
| Friday Night | 58°F | Partly Cloudy | 13 mph NE | 7% |
| Saturday | 70°F | Mostly Sunny | 13 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Port Clinton (41.510, -82.938). Updated through the day.
Growing snapshot for Port Clinton
Last spring frost
Apr 10
First fall frost
Nov 5
Growing season
209 days
Hardiness zone
6b
More local growing data for Port Clinton: nearby ZIP 43452 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Bay View
Clay Center
Crystal Rock
Curtice
Elmore
Genoa
Lakeside
Marblehead
Oak Harbor
Put-in-Bay
Rocky Ridge
Williston
Climate data from the nearest NOAA station, Sandusky, Oh (12.9 mi from Port Clinton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.