Big Pool, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Pool, a community in Washington County, Maryland.
Overnight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. Northeast wind around 6 mph.
7-day forecast for Big Pool
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Partly Cloudy | 6 mph NE | 2% |
| Saturday | 76°F | Partly Sunny | 5 to 8 mph E | 5% |
| Saturday Night | 65°F | Mostly Cloudy then Scattered Rain Showers | 7 mph SE | 30% |
| Sunday | 81°F | Showers And Thunderstorms | 7 to 12 mph S | 80% |
| Sunday Night | 61°F | Showers And Thunderstorms | 3 to 7 mph NW | 80% |
| Monday | 70°F | Chance Rain Showers | 6 to 12 mph NE | 45% |
| Monday Night | 57°F | Rain Showers Likely | 3 to 7 mph NE | 67% |
| Tuesday | 62°F | Showers And Thunderstorms | 7 mph NE | 78% |
| Tuesday Night | 52°F | Showers And Thunderstorms | 8 mph NE | 78% |
| Wednesday | 59°F | Rain Showers Likely | 8 mph NE | 62% |
| Wednesday Night | 52°F | Showers And Thunderstorms Likely | 6 mph NE | 57% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 6 mph NE | 52% |
| Thursday Night | 52°F | Chance Rain Showers | 3 mph N | 33% |
| Friday | 69°F | Chance Rain Showers | 6 mph N | 27% |
Forecast source: National Weather Service (api.weather.gov) for Big Pool (39.625, -78.016). Updated through the day.
Growing snapshot for Big Pool
Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
187 days
Hardiness zone
7a
More local growing data for Big Pool: 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 Big Pool). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.