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Bartonsville, MD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Bartonsville, a community in Frederick County, Maryland.

Today
84°F
Partly Sunny
Partly sunny, with a high near 84. East wind around 3 mph.

7-day forecast for Bartonsville

WhenTempForecastWindPrecip
Today 84°F Partly Sunny 3 mph E 0%
Tonight 68°F Mostly Cloudy then Slight Chance Showers And Thunderstorms 0 to 3 mph E 33%
Wednesday 83°F Rain Showers Likely 1 to 5 mph E 74%
Wednesday Night 71°F Showers And Thunderstorms Likely 3 mph S 64%
Thursday 88°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 8 mph S 36%
Thursday Night 71°F Chance Showers And Thunderstorms 1 to 7 mph SW 36%
Friday 88°F Mostly Sunny then Chance Showers And Thunderstorms 1 to 5 mph SW 46%
Friday Night 70°F Chance Showers And Thunderstorms 0 to 3 mph W 46%
Saturday 86°F Partly Sunny then Chance Showers And Thunderstorms 0 to 5 mph W 42%
Saturday Night 69°F Chance Showers And Thunderstorms 0 to 3 mph SW 42%
Sunday 87°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 3 mph W 15%
Sunday Night 71°F Slight Chance Showers And Thunderstorms then Partly Cloudy 2 mph SW 15%
Monday 90°F Mostly Sunny 0 to 6 mph W 14%
Monday Night 71°F Slight Chance Showers And Thunderstorms 1 to 5 mph W 15%

Forecast source: National Weather Service (api.weather.gov) for Bartonsville (39.389, -77.353). Updated through the day.

Growing snapshot for Bartonsville

Last spring frost
Apr 2
First fall frost
Nov 6
Growing season
218 days
Hardiness zone
7a

More local growing data for Bartonsville: nearby ZIP 21704 weather · frost dates · planting calendar · Maryland frost dates

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Climate data from the nearest NOAA station, Frederick Police Brks, Md (5.4 mi from Bartonsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.