West Portsmouth, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Portsmouth, a community in Greenup County, Ohio.
This Afternoon
86°F
Mostly Sunny
Mostly sunny, with a high near 86. South wind around 5 mph. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for West Portsmouth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Mostly Sunny | 5 mph S | 14% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 5 mph S | 50% |
| Sunday | 88°F | Chance Rain Showers | 3 to 7 mph SW | 34% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 6 mph N | 46% |
| Monday | 75°F | Chance Rain Showers | 5 to 8 mph NE | 44% |
| Monday Night | 56°F | Showers And Thunderstorms Likely | 5 to 8 mph NE | 60% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 6 mph NE | 54% |
| Tuesday Night | 57°F | Chance Showers And Thunderstorms | 6 mph NE | 64% |
| Wednesday | 71°F | Showers And Thunderstorms Likely | 7 mph E | 64% |
| Wednesday Night | 55°F | Showers And Thunderstorms Likely | 6 mph E | 64% |
| Thursday | 71°F | Chance Rain Showers | 5 mph NE | 35% |
| Thursday Night | 53°F | Partly Cloudy | 5 mph N | 14% |
| Friday | 71°F | Mostly Sunny | 6 mph NE | 10% |
| Friday Night | 51°F | Partly Cloudy | 5 mph NE | 10% |
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 Sep 19, 2026.