North Potomac, MD Weather & Growing Conditions
This Afternoon
75°F
Mostly Sunny
Mostly sunny, with a high near 75. South wind around 9 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Mostly Sunny | 9 mph S | 0% |
| Tonight | 63°F | Mostly Cloudy then Chance Light Rain | 6 to 10 mph S | 49% |
| Thursday | 75°F | Chance Light Rain then Mostly Cloudy | 8 to 12 mph S | 46% |
| Thursday Night | 57°F | Chance Light Rain | 1 to 8 mph W | 32% |
| Friday | 69°F | Slight Chance Light Rain | 5 mph N | 21% |
| Friday Night | 47°F | Slight Chance Light Rain then Partly Cloudy | 1 to 9 mph N | 19% |
| Saturday | 61°F | Mostly Sunny | 9 to 15 mph NW | 7% |
| Saturday Night | 41°F | Partly Cloudy | 12 mph NW | 5% |
| Sunday | 61°F | Mostly Sunny | 8 to 14 mph NW | 2% |
| Sunday Night | 40°F | Mostly Clear | 9 mph NW | 0% |
| Monday | 61°F | Sunny | 8 to 14 mph NW | 0% |
| Monday Night | 38°F | Mostly Clear | 2 to 6 mph W | 0% |
| Tuesday | 66°F | Mostly Sunny | 3 to 9 mph W | 1% |
| Tuesday Night | 40°F | Mostly Clear | 2 to 6 mph W | 1% |
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 5, 2026.