Port Clinton, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Clinton, a city in Ottawa County, Ohio.
Today
66°F
Light Rain
Rain and a slight chance of thunderstorms. Mostly cloudy, with a high near 66. South wind around 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Port Clinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Light Rain | 21 mph S | 91% |
| Tonight | 55°F | Light Rain Likely then Mostly Cloudy | 14 to 20 mph SW | 64% |
| Thursday | 60°F | Partly Sunny | 14 to 21 mph SW | 1% |
| Thursday Night | 49°F | Mostly Cloudy then Slight Chance Rain Showers | 9 to 14 mph SW | 24% |
| Friday | 54°F | Rain Showers Likely | 9 to 16 mph W | 60% |
| Friday Night | 43°F | Rain Showers Likely | 18 mph NW | 59% |
| Saturday | 52°F | Chance Rain Showers | 14 to 18 mph NW | 30% |
| Saturday Night | 39°F | Mostly Cloudy | 12 mph W | 5% |
| Sunday | 54°F | Mostly Sunny | 10 to 16 mph W | 3% |
| Sunday Night | 39°F | Mostly Clear | 10 to 15 mph W | 4% |
| Monday | 55°F | Sunny | 10 to 14 mph W | 4% |
| Monday Night | 42°F | Mostly Clear | 14 mph SW | 2% |
| Tuesday | 58°F | Mostly Sunny | 14 mph W | 1% |
| Tuesday Night | 42°F | Partly Cloudy | 10 mph W | 3% |
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
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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 Nov 4, 2026.