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Charlotte Hall, MD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Charlotte Hall, a community in Charles County, Maryland.

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

7-day forecast for Charlotte Hall

WhenTempForecastWindPrecip
Overnight 52°F Mostly Clear 3 mph S 1%
Wednesday 75°F Patchy Fog then Mostly Sunny 3 to 8 mph S 1%
Wednesday Night 61°F Mostly Cloudy 8 mph S 10%
Thursday 76°F Chance Rain Showers 7 to 12 mph S 27%
Thursday Night 62°F Showers And Thunderstorms 7 mph S 78%
Friday 70°F Showers And Thunderstorms then Light Rain 6 mph W 84%
Friday Night 49°F Light Rain Likely 2 to 7 mph N 68%
Saturday 64°F Mostly Sunny 8 to 13 mph NW 4%
Saturday Night 40°F Mostly Clear 9 mph NW 3%
Sunday 61°F Sunny 7 to 10 mph NW 3%
Sunday Night 39°F Mostly Clear 6 mph W 6%
Monday 61°F Sunny 6 to 15 mph NW 6%
Monday Night 37°F Mostly Clear 6 mph W 5%
Tuesday 65°F Sunny 6 to 10 mph SW 2%

Forecast source: National Weather Service (api.weather.gov) for Charlotte Hall (38.468, -76.783). Updated through the day.

Growing snapshot for Charlotte Hall

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

More local growing data for Charlotte Hall: nearby ZIP 20637 weather · frost dates · planting calendar · Maryland frost dates

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Climate data from the nearest NOAA station, Mechanicsville 5 Ne, Md (2.8 mi from Charlotte Hall). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.