Harman US

La Plata, MD Weather & Growing Conditions

Today
76°F
Mostly Sunny
Mostly sunny, with a high near 76. South wind around 8 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 76°F Mostly Sunny 8 mph S 1%
Tonight 62°F Mostly Cloudy then Slight Chance Rain Showers 7 mph S 16%
Thursday 76°F Chance Rain Showers 7 to 10 mph S 34%
Thursday Night 62°F Showers And Thunderstorms Likely 6 mph S 72%
Friday 71°F Showers And Thunderstorms Likely then Light Rain 5 mph N 80%
Friday Night 49°F Light Rain Likely then Mostly Cloudy 2 to 7 mph NW 55%
Saturday 64°F Mostly Sunny 7 to 12 mph NW 5%
Saturday Night 41°F Mostly Clear 6 to 9 mph NW 4%
Sunday 61°F Sunny 6 to 10 mph NW 2%
Sunday Night 39°F Mostly Clear 6 mph W 6%
Monday 61°F Sunny 7 to 14 mph NW 6%
Monday Night 37°F Mostly Clear 6 mph W 5%
Tuesday 65°F Sunny 5 to 9 mph SW 2%
Tuesday Night 40°F Mostly Clear 6 mph W 1%

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.