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
Mostly Clear
Mostly clear, with a low around 52. South wind around 5 mph.
7-day forecast for Columbia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 5 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
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.