Martinsburg, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Martinsburg, a community in Washington County, Indiana.
Today
84°F
Sunny
Sunny, with a high near 84. Northeast wind around 3 mph.
7-day forecast for Martinsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 3 mph NE | 0% |
| Tonight | 64°F | Mostly Clear | 3 mph N | 0% |
| Wednesday | 87°F | Sunny | 2 mph N | 4% |
| Wednesday Night | 68°F | Mostly Clear | 2 mph SW | 4% |
| Thursday | 87°F | Mostly Sunny | 2 to 6 mph SW | 14% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms | 5 mph S | 39% |
| Friday | 85°F | Chance Showers And Thunderstorms | 6 mph SW | 47% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 5 mph SW | 47% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 5 mph SW | 31% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 26% |
| Sunday | 88°F | Mostly Sunny | 2 to 6 mph SW | 10% |
| Sunday Night | 71°F | Partly Cloudy | 5 mph SW | 10% |
| Monday | 90°F | Sunny | 7 mph SW | 10% |
| Monday Night | 72°F | Partly Cloudy then Slight Chance Rain Showers | 6 mph SW | 21% |
Forecast source: National Weather Service (api.weather.gov) for Martinsburg (38.443, -86.025). Updated through the day.
Growing snapshot for Martinsburg
Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
186 days
Hardiness zone
6b
More local growing data for Martinsburg: nearby ZIP 47165 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Salem, In (9 mi from Martinsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.