Harman US

Mountain Lake Park, MD Weather & Growing Conditions

Tonight
49°F
Mostly Clear
Mostly clear, with a low around 49. South wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 49°F Mostly Clear 3 mph S 1%
Wednesday 74°F Partly Sunny 2 to 7 mph S 3%
Wednesday Night 58°F Light Rain Likely then Slight Chance T-storms 7 mph S 89%
Thursday 67°F Light Rain Likely 6 to 9 mph SW 73%
Thursday Night 50°F Chance Light Rain 5 mph SW 31%
Friday 63°F Chance Light Rain 2 to 6 mph W 33%
Friday Night 42°F Chance Light Rain 2 to 6 mph W 32%
Saturday 52°F Chance Light Rain 6 to 10 mph W 32%
Saturday Night 35°F Chance Light Rain 5 to 8 mph W 26%
Sunday 51°F Slight Chance Light Rain 7 to 12 mph W 20%
Sunday Night 33°F Chance Light Rain 10 to 14 mph W 34%
Monday 51°F Chance Light Rain 14 to 17 mph W 36%
Monday Night 34°F Chance Light Rain 10 to 15 mph W 36%
Tuesday 55°F Slight Chance Light Rain then Mostly Sunny 16 to 20 mph W 18%

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 Nov 4, 2026.