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Columbia, MD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Columbia, a community in Howard County, Maryland.

Tonight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. South wind around 3 mph.

7-day forecast for Columbia

WhenTempForecastWindPrecip
Tonight 52°F Partly Cloudy 3 mph S 2%
Wednesday 74°F Patchy Fog then Mostly Sunny 2 to 9 mph S 2%
Wednesday Night 61°F Mostly Cloudy then Chance Light Rain 7 mph S 34%
Thursday 74°F Light Rain Likely 9 mph S 56%
Thursday Night 61°F Chance Light Rain 2 to 6 mph SW 54%
Friday 70°F Rain Likely 5 mph NW 68%
Friday Night 50°F Light Rain Likely 2 to 7 mph NW 68%
Saturday 65°F Mostly Sunny 7 to 10 mph NW 12%
Saturday Night 41°F Partly Cloudy 6 to 9 mph NW 12%
Sunday 61°F Mostly Sunny 5 to 9 mph NW 6%
Sunday Night 40°F Slight Chance Light Rain 5 to 8 mph W 21%
Monday 61°F Slight Chance Light Rain 8 to 14 mph W 21%
Monday Night 39°F Slight Chance Light Rain 5 to 9 mph W 17%
Tuesday 64°F Sunny 7 to 13 mph W 13%

Forecast source: National Weather Service (api.weather.gov) for Columbia (39.201, -76.859). Updated through the day.

Growing snapshot for Columbia

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

More local growing data for Columbia: nearby ZIP 21044 weather · frost dates · planting calendar · Maryland frost dates

Nearby towns & communities

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