Columbia, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Columbia, a community in Howard County, Maryland.
Today
85°F
Partly Sunny
Partly sunny, with a high near 85. Northeast wind 3 to 7 mph.
7-day forecast for Columbia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Partly Sunny | 3 to 7 mph NE | 1% |
| Tonight | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 1 to 6 mph E | 42% |
| Wednesday | 85°F | Showers And Thunderstorms Likely | 2 to 6 mph SE | 70% |
| Wednesday Night | 72°F | Chance Showers And Thunderstorms | 6 mph S | 53% |
| Thursday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph SW | 26% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 33% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 mph SW | 41% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 5 mph SW | 51% |
| Saturday | 89°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 6 mph W | 53% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph W | 53% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph W | 20% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 20% |
| Monday | 92°F | Mostly Sunny | 2 to 7 mph W | 14% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 6 mph W | 19% |
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 Aug 4, 2026.