Harman US

Mountain Lake Park, MD Weather & Growing Conditions

Tonight
55°F
Mostly Cloudy then Areas Of Fog
Areas of fog after 1am. Mostly cloudy, with a low around 55. Northeast wind 3 to 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 55°F Mostly Cloudy then Areas Of Fog 3 to 7 mph NE 10%
Saturday 74°F Areas Of Fog then Mostly Sunny 7 to 10 mph SE 10%
Saturday Night 60°F Partly Cloudy then Isolated Rain Showers 5 to 10 mph SE 20%
Sunday 75°F Showers And Thunderstorms 5 to 12 mph SW 91%
Sunday Night 59°F Showers And Thunderstorms 3 to 8 mph N 91%
Monday 67°F Rain Showers Likely 3 to 8 mph E 61%
Monday Night 55°F Showers And Thunderstorms 7 to 12 mph E 76%
Tuesday 60°F Showers And Thunderstorms 13 mph E 82%
Tuesday Night 49°F Showers And Thunderstorms 16 mph E 81%
Wednesday 56°F Showers And Thunderstorms Likely 15 mph E 69%
Wednesday Night 49°F Showers And Thunderstorms Likely 12 to 15 mph E 56%
Thursday 59°F Chance Rain Showers 7 to 10 mph E 52%
Thursday Night 50°F Chance Rain Showers 3 to 7 mph E 37%
Friday 64°F Chance Rain Showers 6 mph NE 33%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Mountain Lake Park, MD

Last spring frost
May 6
First fall frost
Oct 9
Growing season
156 days
Hardiness zone
6a

Explore more for Mountain Lake Park, MD: full frost dates · planting calendar · Maryland frost dates

Climate data from the nearest NOAA station, Oakland 1 Se, Md (1.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.