Ellicott City, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ellicott City, a community in Howard County, Maryland.
Today
85°F
Partly Sunny
Partly sunny, with a high near 85. East wind 3 to 7 mph.
7-day forecast for Ellicott City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Partly Sunny | 3 to 7 mph E | 0% |
| Tonight | 68°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 1 to 6 mph E | 38% |
| Wednesday | 85°F | Showers And Thunderstorms Likely | 2 to 6 mph SE | 72% |
| Wednesday Night | 71°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 6 mph S | 57% |
| Thursday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph S | 30% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 36% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 mph SW | 42% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 51% |
| Saturday | 88°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 6 mph W | 52% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph W | 52% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph W | 19% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 19% |
| Monday | 91°F | Mostly Sunny | 2 to 7 mph W | 14% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 6 mph W | 18% |
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
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 Aug 4, 2026.