Harman US

Forest Heights, MD Weather & Growing Conditions

This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. South wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 71°F Mostly Sunny 7 mph S 2%
Tonight 53°F Mostly Clear 6 mph S 2%
Wednesday 75°F Mostly Sunny 3 to 9 mph S 2%
Wednesday Night 62°F Mostly Cloudy then Slight Chance Light Rain 8 mph S 24%
Thursday 75°F Chance Light Rain 7 to 10 mph S 33%
Thursday Night 63°F Light Rain Likely 3 to 7 mph S 60%
Friday 70°F Rain Likely 6 mph NW 74%
Friday Night 53°F Light Rain Likely 2 to 6 mph NW 73%
Saturday 65°F Mostly Sunny 7 to 12 mph NW 9%
Saturday Night 45°F Partly Cloudy 8 mph NW 9%
Sunday 62°F Mostly Sunny 5 to 8 mph W 8%
Sunday Night 45°F Partly Cloudy then Slight Chance Light Rain 6 mph W 16%
Monday 62°F Slight Chance Light Rain then Mostly Sunny 7 to 13 mph NW 16%
Monday Night 42°F Mostly Clear 3 to 7 mph W 8%

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

Growing snapshot for Forest Heights, MD

Last spring frost
Apr 3
First fall frost
Nov 8
Growing season
217 days
Hardiness zone
8a

Explore more for Forest Heights, MD: full frost dates · planting calendar · Maryland frost dates

Climate data from the nearest NOAA station, Oxon Hill, Md (0.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.