Martinsburg, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Martinsburg, a village in Knox County, Ohio.
This Afternoon
78°F
Showers And Thunderstorms Likely
A slight chance of rain showers before 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 78. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Martinsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Showers And Thunderstorms Likely | 5 mph SE | 62% |
| Tonight | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph S | 72% |
| Sunday | 77°F | Showers And Thunderstorms | 7 mph W | 78% |
| Sunday Night | 55°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 10 mph NE | 57% |
| Monday | 68°F | Chance Rain Showers | 12 mph NE | 49% |
| Monday Night | 53°F | Slight Chance Rain Showers | 12 mph NE | 20% |
| Tuesday | 68°F | Chance Rain Showers | 12 mph NE | 26% |
| Tuesday Night | 55°F | Showers And Thunderstorms Likely | 13 mph NE | 74% |
| Wednesday | 65°F | Showers And Thunderstorms Likely | 13 mph E | 74% |
| Wednesday Night | 52°F | Showers And Thunderstorms Likely | 10 mph E | 69% |
| Thursday | 67°F | Chance Rain Showers | 8 mph NE | 36% |
| Thursday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 7 mph NE | 17% |
| Friday | 68°F | Mostly Sunny then Slight Chance Rain Showers | 6 to 9 mph NE | 16% |
| Friday Night | 49°F | Slight Chance Rain Showers then Partly Cloudy | 8 mph NE | 16% |
Forecast source: National Weather Service (api.weather.gov) for Martinsburg (40.270, -82.354). Updated through the day.
Growing snapshot for Martinsburg
Last spring frost
May 2
First fall frost
Oct 8
Growing season
157 days
Hardiness zone
6a
More local growing data for Martinsburg: nearby ZIP 43037 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Apple Valley
Bladensburg
Centerburg
Danville
Fredericktown
Gambier
Howard
Mount Vernon
South Mount Vernon
Climate data from the nearest NOAA station, Danville 2 W, Oh (10.7 mi from Martinsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.