Port William, OH Weather & Growing Conditions
Today
66°F
Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 66. South wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Rain | 20 mph S | 99% |
| Tonight | 50°F | Light Rain Likely then Mostly Cloudy | 7 to 17 mph SW | 68% |
| Thursday | 63°F | Mostly Sunny | 7 to 14 mph SW | 0% |
| Thursday Night | 43°F | Partly Cloudy | 3 to 8 mph SW | 0% |
| Friday | 58°F | Chance Light Rain | 2 to 10 mph W | 34% |
| Friday Night | 36°F | Chance Light Rain then Mostly Cloudy | 7 to 10 mph NW | 34% |
| Saturday | 53°F | Partly Sunny | 7 to 10 mph NW | 4% |
| Saturday Night | 32°F | Partly Cloudy | 2 to 7 mph W | 2% |
| Sunday | 56°F | Mostly Sunny | 3 to 12 mph W | 3% |
| Sunday Night | 32°F | Mostly Clear | 5 to 9 mph W | 3% |
| Monday | 59°F | Sunny | 3 to 9 mph W | 3% |
| Monday Night | 35°F | Mostly Clear | 7 mph SW | 3% |
| Tuesday | 63°F | Sunny | 10 mph W | 1% |
| Tuesday Night | 35°F | Mostly Clear | 2 to 7 mph NW | 1% |
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 Nov 4, 2026.