Fairmount Heights, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairmount Heights, a town in Prince George's County, Maryland.
Overnight
63°F
Partly Cloudy
Partly cloudy, with a low around 63. Northeast wind around 8 mph.
7-day forecast for Fairmount Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Partly Cloudy | 8 mph NE | 0% |
| Saturday | 80°F | Mostly Sunny | 5 to 8 mph NE | 4% |
| Saturday Night | 66°F | Mostly Cloudy then Slight Chance Rain Showers | 7 mph SE | 16% |
| Sunday | 85°F | Slight Chance Rain Showers | 5 to 10 mph S | 21% |
| Sunday Night | 64°F | Showers And Thunderstorms Likely | 2 to 9 mph W | 71% |
| Monday | 72°F | Chance Rain Showers | 9 mph NE | 30% |
| Monday Night | 59°F | Chance Rain Showers | 7 to 10 mph NE | 39% |
| Tuesday | 67°F | Chance Rain Showers | 12 to 16 mph NE | 54% |
| Tuesday Night | 56°F | Chance Rain Showers | 15 mph NE | 54% |
| Wednesday | 63°F | Chance Rain Showers | 16 mph NE | 45% |
| Wednesday Night | 56°F | Chance Rain Showers | 12 to 15 mph NE | 46% |
| Thursday | 64°F | Chance Rain Showers | 15 mph NE | 46% |
| Thursday Night | 54°F | Chance Rain Showers | 8 to 14 mph N | 38% |
| Friday | 69°F | Slight Chance Rain Showers | 10 mph N | 20% |
Forecast source: National Weather Service (api.weather.gov) for Fairmount Heights (38.902, -76.915). Updated through the day.
Growing snapshot for Fairmount Heights
Last spring frost
Mar 29
First fall frost
Nov 8
Growing season
224 days
Hardiness zone
7b
More local growing data for Fairmount Heights: nearby ZIP 20743 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Natl Arboretum Dc, Md (4.6 mi from Fairmount Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.