Harman US

Colesville, MD Weather & Growing Conditions

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

7-day forecast

WhenTempForecastWindPrecip
Overnight 52°F Mostly Clear 3 mph SW 1%
Wednesday 74°F Mostly Sunny 5 to 9 mph S 1%
Wednesday Night 61°F Mostly Cloudy then Chance Rain Showers 7 mph S 31%
Thursday 73°F Chance Rain Showers 9 mph S 46%
Thursday Night 61°F Rain Showers Likely 3 to 7 mph SW 58%
Friday 69°F Light Rain Likely 5 mph N 61%
Friday Night 50°F Chance Light Rain then Partly Cloudy 2 to 8 mph NW 37%
Saturday 62°F Mostly Sunny 12 mph NW 5%
Saturday Night 42°F Partly Cloudy 10 mph NW 5%
Sunday 59°F Mostly Sunny 7 to 12 mph NW 1%
Sunday Night 42°F Mostly Clear 8 mph W 5%
Monday 59°F Sunny 9 to 14 mph W 5%
Monday Night 40°F Mostly Clear 3 to 8 mph W 5%
Tuesday 64°F Sunny 6 to 10 mph W 3%

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

Growing snapshot for Colesville, MD

Last spring frost
Apr 10
First fall frost
Nov 1
Growing season
202 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Beltsville, Md (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.