Columbia, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Columbia, a community in Howard County, Maryland.
This Afternoon
84°F
Partly Sunny
Partly sunny, with a high near 84. North wind around 10 mph.
7-day forecast for Columbia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Partly Sunny | 10 mph N | 10% |
| Tonight | 59°F | Partly Cloudy | 9 mph N | 10% |
| Saturday | 78°F | Partly Sunny | 9 mph NE | 5% |
| Saturday Night | 65°F | Mostly Cloudy then Isolated Rain Showers | 9 mph SE | 20% |
| Sunday | 82°F | Chance Rain Showers | 7 to 13 mph S | 52% |
| Sunday Night | 64°F | Showers And Thunderstorms Likely | 5 to 9 mph W | 70% |
| Monday | 73°F | Chance Rain Showers | 8 to 12 mph NE | 42% |
| Monday Night | 59°F | Chance Rain Showers | 8 to 12 mph NE | 50% |
| Tuesday | 66°F | Rain Showers Likely | 14 mph NE | 55% |
| Tuesday Night | 54°F | Rain Showers Likely | 14 mph NE | 55% |
| Wednesday | 62°F | Chance Rain Showers | 14 mph NE | 49% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 49% |
| Thursday | 64°F | Chance Showers And Thunderstorms | 13 mph NE | 43% |
| Thursday Night | 54°F | Chance Showers And Thunderstorms | 5 to 9 mph NE | 35% |
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 Sep 18, 2026.