Perry Hall, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Perry Hall, a community in Baltimore County, Maryland.
Today
73°F
Patchy Fog then Mostly Sunny
Patchy fog before 9am. Mostly sunny, with a high near 73. South wind 2 to 9 mph.
7-day forecast for Perry Hall
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Patchy Fog then Mostly Sunny | 2 to 9 mph S | 1% |
| Tonight | 60°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph S | 21% |
| Thursday | 72°F | Chance Rain Showers | 6 to 9 mph S | 52% |
| Thursday Night | 61°F | Rain Showers Likely | 2 to 6 mph SW | 64% |
| Friday | 71°F | Light Rain Likely | 3 mph N | 65% |
| Friday Night | 50°F | Chance Light Rain then Partly Cloudy | 2 to 7 mph NW | 44% |
| Saturday | 64°F | Mostly Sunny | 8 to 12 mph NW | 6% |
| Saturday Night | 43°F | Partly Cloudy | 10 mph NW | 6% |
| Sunday | 61°F | Mostly Sunny | 7 to 10 mph NW | 3% |
| Sunday Night | 42°F | Mostly Clear | 8 mph W | 6% |
| Monday | 60°F | Sunny | 8 to 14 mph W | 6% |
| Monday Night | 41°F | Mostly Clear | 3 to 8 mph W | 4% |
| Tuesday | 65°F | Sunny | 6 to 10 mph W | 2% |
| Tuesday Night | 42°F | Mostly Clear | 7 mph W | 0% |
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.