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
86°F
Sunny
Sunny, with a high near 86. Northeast wind around 3 mph.
7-day forecast for West Portsmouth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 3 mph NE | 1% |
| Tonight | 67°F | Partly Cloudy | 2 mph NE | 7% |
| Wednesday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph S | 54% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 1 mph S | 35% |
| Thursday | 85°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 54% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 2 mph S | 54% |
| Friday | 84°F | Showers And Thunderstorms Likely | 5 mph SW | 74% |
| Friday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SW | 74% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 5 mph SW | 40% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 3 mph SW | 40% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 20% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 20% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 20% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 5 mph SW | 26% |
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 Aug 4, 2026.