Harman US

La Plata, MD Weather & Growing Conditions

Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. South wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 52°F Mostly Clear 5 mph S 2%
Wednesday 75°F Patchy Fog then Mostly Sunny 3 to 8 mph S 2%
Wednesday Night 62°F Mostly Cloudy then Slight Chance Light Rain 7 mph SE 15%
Thursday 76°F Slight Chance Light Rain 7 to 10 mph S 21%
Thursday Night 62°F Light Rain Likely 6 mph S 69%
Friday 71°F Rain 5 mph N 80%
Friday Night 51°F Light Rain Likely 5 mph N 73%
Saturday 66°F Mostly Sunny 6 to 10 mph NW 11%
Saturday Night 42°F Mostly Clear 7 mph NW 11%
Sunday 62°F Mostly Sunny 7 mph NW 4%
Sunday Night 41°F Partly Cloudy then Slight Chance Light Rain 6 mph NW 18%
Monday 62°F Slight Chance Light Rain 6 to 14 mph W 20%
Monday Night 39°F Slight Chance Light Rain 7 mph W 20%
Tuesday 65°F Sunny 6 to 12 mph SW 12%

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

Growing snapshot for La Plata, MD

Last spring frost
Apr 17
First fall frost
Oct 27
Growing season
195 days
Hardiness zone
7b

Explore more for La Plata, MD: full frost dates · planting calendar · Maryland frost dates

Climate data from the nearest NOAA station, Mechanicsville 5 Ne, Md (14.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.