Poolesville, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Poolesville, a town in Montgomery County, Maryland.
Tonight
59°F
Mostly Cloudy
Mostly cloudy, with a low around 59. North wind around 9 mph.
7-day forecast for Poolesville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Mostly Cloudy | 9 mph N | 10% |
| Saturday | 78°F | Partly Sunny | 8 mph E | 5% |
| Saturday Night | 66°F | Mostly Cloudy then Isolated Rain Showers | 8 mph SE | 20% |
| Sunday | 82°F | Rain Showers Likely | 8 to 14 mph S | 61% |
| Sunday Night | 64°F | Showers And Thunderstorms Likely | 3 to 9 mph NW | 68% |
| Monday | 73°F | Chance Rain Showers | 8 to 12 mph NE | 40% |
| Monday Night | 60°F | Rain Showers Likely | 7 to 12 mph NE | 56% |
| Tuesday | 65°F | Rain Showers Likely | 13 mph NE | 62% |
| Tuesday Night | 55°F | Rain Showers Likely | 14 mph NE | 62% |
| Wednesday | 61°F | Chance Rain Showers | 14 mph NE | 54% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 51% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 13 mph NE | 50% |
| Thursday Night | 54°F | Chance Showers And Thunderstorms | 5 to 9 mph N | 36% |
| Friday | 67°F | Slight Chance Rain Showers | 10 mph N | 23% |
Forecast source: National Weather Service (api.weather.gov) for Poolesville (39.142, -77.411). Updated through the day.
Growing snapshot for Poolesville
Last spring frost
Apr 13
First fall frost
Oct 26
Growing season
195 days
Hardiness zone
7b
More local growing data for Poolesville: nearby ZIP 20837 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Wfo Sterling, Va (10.6 mi from Poolesville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.