Ernstville, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ernstville, a community in Washington County, Maryland.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. Northeast wind around 3 mph.
7-day forecast for Ernstville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 3 mph NE | 0% |
| Tonight | 66°F | Mostly Cloudy then Chance Rain Showers | 0 to 3 mph E | 27% |
| Wednesday | 84°F | Showers And Thunderstorms Likely | 3 mph E | 65% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 0 to 3 mph SE | 37% |
| Thursday | 89°F | Mostly Sunny then Showers And Thunderstorms Likely | 1 to 5 mph S | 59% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 mph SW | 59% |
| Friday | 88°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph W | 56% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph W | 56% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 45% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 2 mph W | 45% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 mph W | 15% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SW | 15% |
| Monday | 90°F | Mostly Sunny | 1 to 7 mph W | 12% |
| Monday Night | 70°F | Partly Cloudy | 1 to 5 mph W | 12% |
Forecast source: National Weather Service (api.weather.gov) for Ernstville (39.630, -78.024). Updated through the day.
Growing snapshot for Ernstville
Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
187 days
Hardiness zone
7a
More local growing data for Ernstville: nearby ZIP 21711 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Martinsburg 2, Wv (14.3 mi from Ernstville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.