West Portsmouth, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Portsmouth, a community in Greenup County, Ohio.
Today
67°F
Rain
A chance of rain before 7am, then rain and a slight chance of thunderstorms. Cloudy, with a high near 67. South wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for West Portsmouth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Rain | 8 mph S | 100% |
| Tonight | 54°F | Light Rain then Mostly Cloudy | 3 to 8 mph SW | 85% |
| Thursday | 67°F | Mostly Sunny | 3 to 7 mph SW | 0% |
| Thursday Night | 46°F | Partly Cloudy | 3 mph SW | 0% |
| Friday | 62°F | Mostly Sunny | 1 to 6 mph W | 11% |
| Friday Night | 40°F | Mostly Cloudy | 5 mph NW | 11% |
| Saturday | 54°F | Mostly Sunny | 6 mph NW | 2% |
| Saturday Night | 35°F | Partly Cloudy | 3 mph W | 0% |
| Sunday | 57°F | Mostly Sunny | 2 to 6 mph W | 2% |
| Sunday Night | 34°F | Mostly Clear | 5 mph W | 3% |
| Monday | 60°F | Sunny | 5 mph W | 3% |
| Monday Night | 36°F | Mostly Clear | 3 mph SW | 2% |
| Tuesday | 64°F | Sunny | 6 mph SW | 1% |
| Tuesday Night | 37°F | Mostly Clear | 3 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for West Portsmouth (38.767, -83.036). Updated through the day.
Growing snapshot for West Portsmouth
Last spring frost
Apr 17
First fall frost
Oct 25
Growing season
191 days
Hardiness zone
7a
More local growing data for West Portsmouth: nearby ZIP 41174 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Portsmouth-Sciotoville, Oh (7.3 mi from West Portsmouth). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.