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Ilchester, MD Weather & Growing Conditions

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

This Afternoon
70°F
Mostly Sunny
Mostly sunny, with a high near 70. South wind around 7 mph.

7-day forecast for Ilchester

WhenTempForecastWindPrecip
This Afternoon 70°F Mostly Sunny 7 mph S 2%
Tonight 52°F Mostly Clear then Patchy Fog 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 30%
Thursday 74°F Light Rain Likely 9 mph S 55%
Thursday Night 62°F Light Rain Likely 2 to 6 mph SW 56%
Friday 70°F Rain Likely 2 to 6 mph NW 70%
Friday Night 51°F Light Rain Likely 2 to 7 mph NW 70%
Saturday 65°F Mostly Sunny 10 mph NW 10%
Saturday Night 42°F Partly Cloudy 8 mph NW 10%
Sunday 61°F Mostly Sunny 5 to 9 mph NW 5%
Sunday Night 42°F Partly Cloudy then Slight Chance Light Rain 5 to 8 mph W 16%
Monday 61°F Slight Chance Light Rain 9 to 13 mph W 16%
Monday Night 41°F Mostly Clear 5 to 8 mph W 10%

Forecast source: National Weather Service (api.weather.gov) for Ilchester (39.216, -76.762). Updated through the day.

Growing snapshot for Ilchester

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

More local growing data for Ilchester: nearby ZIP 21075 weather · frost dates · planting calendar · Maryland frost dates

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Climate data from the nearest NOAA station, Baltimore Wash Intl Ap, Md (4.4 mi from Ilchester). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.