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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.

Today
85°F
Partly Sunny
Partly sunny, with a high near 85. Northeast wind around 8 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Charlotte Hall

WhenTempForecastWindPrecip
Today 85°F Partly Sunny 8 mph NE 14%
Tonight 69°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 3 to 7 mph E 72%
Wednesday 86°F Showers And Thunderstorms Likely 3 to 8 mph SE 66%
Wednesday Night 72°F Chance Showers And Thunderstorms then Partly Cloudy 8 mph S 27%
Thursday 90°F Mostly Sunny 7 to 12 mph SW 10%
Thursday Night 73°F Mostly Clear 10 mph SW 10%
Friday 90°F Mostly Sunny then Slight Chance Showers And Thunderstorms 10 mph SW 22%
Friday Night 72°F Chance Showers And Thunderstorms 6 to 9 mph SW 38%
Saturday 90°F Mostly Sunny then Chance Showers And Thunderstorms 8 mph SW 43%
Saturday Night 70°F Chance Showers And Thunderstorms 5 to 8 mph SW 43%
Sunday 89°F Mostly Sunny then Slight Chance Showers And Thunderstorms 6 mph SW 22%
Sunday Night 72°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 mph SW 22%
Monday 91°F Mostly Sunny 3 to 7 mph W 10%
Monday Night 72°F Partly Cloudy 7 mph SW 14%

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 Aug 4, 2026.