Perry Hall, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Perry Hall, a community in Baltimore County, Maryland.
Tonight
53°F
Mostly Clear then Patchy Fog
Patchy fog after 5am. Mostly clear, with a low around 53. South wind around 3 mph.
7-day forecast for Perry Hall
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Mostly Clear then Patchy Fog | 3 mph S | 3% |
| Wednesday | 73°F | Patchy Fog then Mostly Sunny | 1 to 9 mph S | 3% |
| Wednesday Night | 61°F | Mostly Cloudy then Patchy Fog | 7 mph S | 24% |
| Thursday | 73°F | Light Rain Likely | 6 to 9 mph S | 56% |
| Thursday Night | 62°F | Light Rain Likely | 2 to 6 mph S | 64% |
| Friday | 70°F | Rain Likely | 5 mph NW | 71% |
| Friday Night | 51°F | Light Rain Likely | 2 to 6 mph NW | 71% |
| Saturday | 66°F | Mostly Sunny | 7 to 10 mph NW | 13% |
| Saturday Night | 43°F | Partly Cloudy | 8 mph NW | 13% |
| Sunday | 62°F | Mostly Sunny | 5 to 8 mph NW | 7% |
| Sunday Night | 43°F | Slight Chance Light Rain | 5 to 8 mph W | 22% |
| Monday | 62°F | Slight Chance Light Rain | 9 to 14 mph NW | 22% |
| Monday Night | 42°F | Slight Chance Light Rain | 6 to 9 mph W | 18% |
| Tuesday | 64°F | Sunny | 8 to 13 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov) for Perry Hall (39.407, -76.478). Updated through the day.
Growing snapshot for Perry Hall
Last spring frost
Apr 2
First fall frost
Nov 7
Growing season
220 days
Hardiness zone
7b
More local growing data for Perry Hall: nearby ZIP 21236 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Cylburn, Md (9.4 mi from Perry Hall). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.