Harman US

Perry Hall, MD Weather & Growing Conditions

Tonight
61°F
Partly Cloudy
Partly cloudy, with a low around 61. North wind around 9 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 61°F Partly Cloudy 9 mph N 2%
Saturday 79°F Mostly Sunny 10 mph NE 5%
Saturday Night 66°F Mostly Cloudy then Scattered Rain Showers 9 mph SE 30%
Sunday 81°F Rain Showers Likely 8 to 14 mph S 56%
Sunday Night 66°F Showers And Thunderstorms Likely 6 to 10 mph W 70%
Monday 74°F Chance Rain Showers 12 mph NE 42%
Monday Night 61°F Chance Rain Showers 8 to 12 mph NE 46%
Tuesday 67°F Chance Rain Showers 12 to 16 mph NE 50%
Tuesday Night 56°F Chance Rain Showers 12 to 16 mph NE 50%
Wednesday 65°F Chance Rain Showers 15 mph NE 45%
Wednesday Night 56°F Chance Showers And Thunderstorms 10 to 15 mph NE 45%
Thursday 66°F Chance Showers And Thunderstorms 13 mph NE 40%
Thursday Night 55°F Chance Showers And Thunderstorms 7 to 12 mph N 35%
Friday 70°F Slight Chance Rain Showers 8 to 12 mph N 23%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Perry Hall, MD

Last spring frost
Apr 2
First fall frost
Nov 7
Growing season
220 days
Hardiness zone
7b

Explore more for Perry Hall, MD: full frost dates · planting calendar · Maryland frost dates

Climate data from the nearest NOAA station, Cylburn, Md (9.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.