Harman US

Charlotte Hall, MD Weather & Growing Conditions

Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. South wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 52°F Mostly Clear 3 mph S 1%
Wednesday 75°F Patchy Fog then Mostly Sunny 2 to 8 mph S 1%
Wednesday Night 62°F Mostly Cloudy 7 mph S 12%
Thursday 76°F Chance Rain Showers 7 to 10 mph S 27%
Thursday Night 63°F Showers And Thunderstorms 6 mph S 77%
Friday 71°F Showers And Thunderstorms then Light Rain 5 mph W 84%
Friday Night 49°F Light Rain Likely 1 to 6 mph N 66%
Saturday 65°F Mostly Sunny 7 to 12 mph NW 4%
Saturday Night 41°F Mostly Clear 8 mph NW 3%
Sunday 62°F Sunny 6 to 10 mph NW 2%
Sunday Night 40°F Mostly Clear 5 mph W 6%
Monday 61°F Sunny 5 to 14 mph NW 6%
Monday Night 37°F Mostly Clear 5 mph W 5%
Tuesday 65°F Sunny 5 to 9 mph SW 2%

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

Growing snapshot for Charlotte Hall, MD

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

Explore more for Charlotte Hall, MD: full frost dates · planting calendar · Maryland frost dates

Climate data from the nearest NOAA station, Mechanicsville 5 Ne, Md (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.