North Potomac, MD Weather & Growing Conditions
Today
75°F
Mostly Sunny
Mostly sunny, with a high near 75. South wind 5 to 9 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 5 to 9 mph S | 1% |
| Tonight | 61°F | Mostly Cloudy then Chance Rain Showers | 8 mph S | 46% |
| Thursday | 74°F | Chance Rain Showers | 10 mph S | 47% |
| Thursday Night | 60°F | Chance Rain Showers | 2 to 6 mph SW | 52% |
| Friday | 70°F | Chance Light Rain | 5 mph N | 51% |
| Friday Night | 48°F | Chance Light Rain then Partly Cloudy | 2 to 6 mph NW | 30% |
| Saturday | 62°F | Mostly Sunny | 6 to 13 mph NW | 6% |
| Saturday Night | 40°F | Partly Cloudy | 7 to 10 mph NW | 6% |
| Sunday | 60°F | Mostly Sunny | 7 to 12 mph NW | 1% |
| Sunday Night | 39°F | Mostly Clear | 8 mph W | 5% |
| Monday | 61°F | Sunny | 8 to 15 mph W | 5% |
| Monday Night | 37°F | Mostly Clear | 2 to 8 mph W | 5% |
| Tuesday | 64°F | Sunny | 2 to 9 mph W | 3% |
| Tuesday Night | 40°F | Mostly Clear | 6 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for North Potomac, MD
Last spring frost
Apr 1
First fall frost
Nov 6
Growing season
219 days
Hardiness zone
7b
Explore more for North Potomac, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Rockville 1 Ne, Md (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.