Harman US

Brock Hall, MD Weather & Growing Conditions

Today
76°F
Mostly Sunny
Mostly sunny, with a high near 76. South wind 6 to 9 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 76°F Mostly Sunny 6 to 9 mph S 1%
Tonight 62°F Mostly Cloudy then Slight Chance Rain Showers 8 mph S 17%
Thursday 75°F Chance Rain Showers 10 mph S 41%
Thursday Night 63°F Showers And Thunderstorms Likely 3 to 7 mph SW 67%
Friday 71°F Showers And Thunderstorms Likely then Light Rain 5 mph N 75%
Friday Night 50°F Chance Light Rain then Partly Cloudy 2 to 7 mph NW 51%
Saturday 64°F Mostly Sunny 8 to 12 mph NW 5%
Saturday Night 42°F Mostly Clear 10 mph NW 5%
Sunday 61°F Mostly Sunny 7 to 12 mph NW 2%
Sunday Night 41°F Mostly Clear 8 mph W 6%
Monday 62°F Sunny 9 to 14 mph W 6%
Monday Night 39°F Mostly Clear 3 to 9 mph W 5%
Tuesday 65°F Sunny 6 to 10 mph SW 3%
Tuesday Night 41°F Mostly Clear 7 mph W 0%

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

Growing snapshot for Brock Hall, MD

Last spring frost
Apr 9
First fall frost
Oct 29
Growing season
203 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Upper Marlboro 3 Nnw, Md (1.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.