Poolesville, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Poolesville, a town in Montgomery County, Maryland.
Today
85°F
Partly Sunny
Partly sunny, with a high near 85. Northeast wind around 6 mph.
7-day forecast for Poolesville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Partly Sunny | 6 mph NE | 1% |
| Tonight | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 2 to 7 mph E | 54% |
| Wednesday | 84°F | Rain Showers Likely | 6 mph SE | 71% |
| Wednesday Night | 72°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 7 mph S | 57% |
| Thursday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 to 12 mph S | 26% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 3 to 10 mph SW | 26% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph SW | 48% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 48% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph W | 49% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 49% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph W | 18% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 18% |
| Monday | 91°F | Mostly Sunny | 1 to 8 mph W | 12% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph W | 15% |
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 Aug 4, 2026.