Harman US

Columbia, MD Weather & Growing Conditions

Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. South wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 51°F Mostly Clear 3 mph S 2%
Wednesday 73°F Patchy Fog then Mostly Sunny 2 to 9 mph S 2%
Wednesday Night 60°F Mostly Cloudy then Chance Light Rain 7 mph S 35%
Thursday 73°F Light Rain Likely 9 mph S 56%
Thursday Night 61°F Chance Light Rain 2 to 6 mph SW 54%
Friday 69°F Rain Likely 5 mph NW 67%
Friday Night 49°F Light Rain Likely 2 to 7 mph NW 67%
Saturday 64°F Mostly Sunny 7 to 12 mph NW 12%
Saturday Night 41°F Partly Cloudy 8 mph NW 12%
Sunday 60°F Mostly Sunny 5 to 9 mph NW 6%
Sunday Night 40°F Slight Chance Light Rain 5 to 8 mph W 21%
Monday 60°F Slight Chance Light Rain 8 to 14 mph W 21%
Monday Night 38°F Slight Chance Light Rain 5 to 9 mph W 18%
Tuesday 63°F Sunny 7 to 13 mph W 13%

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

Growing snapshot for Columbia, MD

Last spring frost
Apr 5
First fall frost
Nov 9
Growing season
218 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Laurel 3 W, Md (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.