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Ellicott City, MD Weather & Growing Conditions

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

Overnight
51°F
Partly Cloudy
Partly cloudy, with a low around 51. South wind around 3 mph.

7-day forecast for Ellicott City

WhenTempForecastWindPrecip
Overnight 51°F Partly Cloudy 3 mph S 2%
Wednesday 74°F Patchy Fog then Mostly Sunny 2 to 9 mph S 2%
Wednesday Night 60°F Mostly Cloudy then Chance Light Rain 7 mph S 36%
Thursday 74°F Light Rain Likely 6 to 9 mph S 58%
Thursday Night 61°F Light Rain Likely 2 to 6 mph SW 55%
Friday 70°F Rain Likely 5 mph NW 66%
Friday Night 50°F Light Rain Likely 1 to 7 mph NW 66%
Saturday 64°F Mostly Sunny 7 to 10 mph NW 13%
Saturday Night 41°F Partly Cloudy 8 mph NW 13%
Sunday 61°F Mostly Sunny 8 mph NW 6%
Sunday Night 40°F Slight Chance Light Rain 5 to 8 mph W 22%
Monday 61°F Slight Chance Light Rain 8 to 14 mph W 22%
Monday Night 39°F Slight Chance Light Rain 5 to 9 mph W 18%
Tuesday 63°F Sunny 7 to 13 mph W 13%

Forecast source: National Weather Service (api.weather.gov) for Ellicott City (39.277, -76.834). Updated through the day.

Growing snapshot for Ellicott City

Last spring frost
Apr 10
First fall frost
Oct 31
Growing season
204 days
Hardiness zone
7b

More local growing data for Ellicott City: nearby ZIP 21043 weather · frost dates · planting calendar · Maryland frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Baltimore Wash Intl Ap, Md (8.8 mi from Ellicott City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.