Harman US

Aberdeen Proving Ground, MD Weather & Growing Conditions

This Afternoon
69°F
Sunny
Sunny. High near 69, with temperatures falling to around 62 in the afternoon. South wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 69°F Sunny 2 mph S 2%
Tonight 52°F Partly Cloudy then Patchy Fog 3 mph S 3%
Wednesday 75°F Patchy Fog then Mostly Sunny 1 to 7 mph S 3%
Wednesday Night 60°F Mostly Cloudy 6 mph S 13%
Thursday 75°F Chance Light Rain 6 to 9 mph S 50%
Thursday Night 62°F Light Rain 2 to 6 mph S 75%
Friday 72°F Rain 3 mph NW 77%
Friday Night 53°F Light Rain 2 to 7 mph NW 77%
Saturday 67°F Mostly Sunny 9 mph NW 14%
Saturday Night 45°F Partly Cloudy 8 mph NW 14%
Sunday 64°F Mostly Sunny 8 mph W 7%
Sunday Night 44°F Slight Chance Light Rain 6 to 9 mph W 22%
Monday 63°F Slight Chance Light Rain 10 to 15 mph NW 22%
Monday Night 43°F Slight Chance Light Rain 9 mph W 19%

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

Growing snapshot for Aberdeen Proving Ground, MD

Last spring frost
Apr 10
First fall frost
Oct 30
Growing season
201 days
Hardiness zone
7b

Explore more for Aberdeen Proving Ground, MD: full frost dates · planting calendar · Maryland frost dates

Climate data from the nearest NOAA station, Aberdeen Phillips Fld, Md (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.