Port William, OH Weather & Growing Conditions
Today
84°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 3pm and 4pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. South wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 8 mph S | 58% |
| Tonight | 66°F | Showers And Thunderstorms Likely | 7 mph S | 68% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 7 to 10 mph W | 55% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 12 mph N | 63% |
| Monday | 71°F | Chance Rain Showers | 14 mph NE | 36% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 12 to 16 mph NE | 36% |
| Tuesday | 70°F | Chance Showers And Thunderstorms | 14 mph NE | 34% |
| Tuesday Night | 56°F | Chance Rain Showers | 9 to 15 mph NE | 52% |
| Wednesday | 70°F | Showers And Thunderstorms Likely | 13 mph NE | 58% |
| Wednesday Night | 55°F | Showers And Thunderstorms Likely | 7 to 14 mph NE | 58% |
| Thursday | 70°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 10 mph NE | 21% |
| Thursday Night | 53°F | Mostly Cloudy | 6 to 10 mph NE | 12% |
| Friday | 71°F | Mostly Sunny | 7 to 12 mph NE | 10% |
| Friday Night | 50°F | Partly Cloudy | 6 to 12 mph NE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port William, OH
Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
180 days
Explore more for Port William, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Wilmington 3 N, Oh (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.