Harman US

Garretts Mill, MD Weather & Growing Conditions

Tonight
59°F
Isolated Rain Showers then Mostly Cloudy
Isolated rain showers before 8pm. Mostly cloudy, with a low around 59. North wind around 7 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 59°F Isolated Rain Showers then Mostly Cloudy 7 mph N 20%
Saturday 75°F Partly Sunny 8 mph NE 5%
Saturday Night 66°F Mostly Cloudy then Scattered Rain Showers 8 mph SE 30%
Sunday 80°F Showers And Thunderstorms Likely 8 to 13 mph S 74%
Sunday Night 63°F Showers And Thunderstorms Likely 3 to 9 mph NW 74%
Monday 70°F Chance Rain Showers 7 to 12 mph NE 40%
Monday Night 59°F Rain Showers Likely 7 to 12 mph NE 60%
Tuesday 62°F Rain Showers Likely 12 mph NE 73%
Tuesday Night 54°F Showers And Thunderstorms Likely 13 mph NE 73%
Wednesday 58°F Rain Showers Likely 13 mph NE 57%
Wednesday Night 54°F Chance Showers And Thunderstorms 8 to 13 mph NE 54%
Thursday 60°F Chance Showers And Thunderstorms 8 to 13 mph NE 53%
Thursday Night 54°F Chance Rain Showers 7 mph N 35%
Friday 66°F Slight Chance Rain Showers 9 mph N 23%

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

Growing snapshot for Garretts Mill, MD

Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
175 days
Hardiness zone
7a

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

Climate data from the nearest NOAA station, Sharpsburg 5 S, Md (4.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.