Harman US

Boonsboro, MD Weather & Growing Conditions

Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. East wind 2 to 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 86°F Mostly Sunny 2 to 6 mph E 0%
Tonight 68°F Mostly Cloudy then Chance Showers And Thunderstorms 2 to 6 mph E 29%
Wednesday 85°F Rain Showers Likely then Chance Showers And Thunderstorms 3 to 7 mph SE 70%
Wednesday Night 70°F Chance Showers And Thunderstorms 6 mph S 50%
Thursday 90°F Partly Sunny then Chance Showers And Thunderstorms 8 mph S 52%
Thursday Night 70°F Chance Showers And Thunderstorms 2 to 7 mph S 52%
Friday 89°F Mostly Sunny then Chance Showers And Thunderstorms 1 to 7 mph SW 52%
Friday Night 69°F Chance Showers And Thunderstorms 1 to 6 mph SW 52%
Saturday 88°F Partly Sunny then Chance Showers And Thunderstorms 1 to 7 mph W 45%
Saturday Night 69°F Chance Showers And Thunderstorms 1 to 6 mph SW 45%
Sunday 89°F Mostly Sunny 1 to 6 mph W 14%
Sunday Night 70°F Partly Cloudy 1 to 5 mph SW 14%
Monday 91°F Mostly Sunny 1 to 10 mph W 14%
Monday Night 70°F Partly Cloudy 3 to 8 mph W 14%

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

Growing snapshot for Boonsboro, MD

Last spring frost
Apr 11
First fall frost
Oct 28
Growing season
199 days
Hardiness zone
7a

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

Climate data from the nearest NOAA station, Hagerstown 1 E, Md (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.