Ilchester, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ilchester, a community in Howard County, Maryland.
Tonight
60°F
Partly Cloudy
Partly cloudy, with a low around 60. Northeast wind around 9 mph.
7-day forecast for Ilchester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Partly Cloudy | 9 mph NE | 2% |
| Saturday | 78°F | Partly Sunny | 9 mph NE | 5% |
| Saturday Night | 66°F | Mostly Cloudy then Isolated Rain Showers | 9 mph SE | 20% |
| Sunday | 82°F | Chance Rain Showers | 7 to 13 mph S | 50% |
| Sunday Night | 65°F | Showers And Thunderstorms Likely | 6 to 10 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 | 49% |
| Tuesday | 65°F | Rain Showers Likely | 14 mph NE | 55% |
| Tuesday Night | 55°F | Rain Showers Likely | 14 mph NE | 55% |
| Wednesday | 62°F | Chance Rain Showers | 14 mph NE | 48% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 13 mph NE | 48% |
| Thursday | 64°F | Chance Showers And Thunderstorms | 13 mph NE | 43% |
| Thursday Night | 54°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 35% |
| Friday | 68°F | Slight Chance Rain Showers | 9 mph N | 22% |
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
Nearby towns & communities
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 Sep 19, 2026.