Harman US

Columbia, MD Weather & Growing Conditions

Today
78°F
Partly Sunny
Partly sunny, with a high near 78. Northeast wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 78°F Partly Sunny 7 mph NE 4%
Tonight 63°F Mostly Cloudy then Slight Chance Rain Showers 7 mph SE 21%
Sunday 82°F Chance Rain Showers then Slight Chance Showers And Thunderstorms 6 to 10 mph S 41%
Sunday Night 60°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 3 to 10 mph W 69%
Monday 70°F Chance Rain Showers 10 mph NE 33%
Monday Night 55°F Chance Rain Showers 7 to 10 mph NE 42%
Tuesday 63°F Rain Showers Likely 14 mph NE 57%
Tuesday Night 52°F Rain Showers Likely 14 mph NE 55%
Wednesday 61°F Chance Rain Showers 14 mph NE 43%
Wednesday Night 52°F Chance Rain Showers 14 mph NE 44%
Thursday 62°F Chance Rain Showers 14 mph NE 44%
Thursday Night 51°F Chance Rain Showers 7 to 12 mph N 35%
Friday 67°F Slight Chance Rain Showers 10 mph N 20%
Friday Night 51°F Slight Chance Rain Showers 6 to 9 mph N 16%

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 Sep 19, 2026.