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.
Today
86°F
Partly Sunny
Partly sunny, with a high near 86. East wind 5 to 8 mph.
7-day forecast for Fairmount Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Partly Sunny | 5 to 8 mph E | 3% |
| Tonight | 72°F | Slight Chance Showers And Thunderstorms | 1 to 7 mph E | 56% |
| Wednesday | 87°F | Showers And Thunderstorms Likely | 2 to 7 mph SE | 64% |
| Wednesday Night | 74°F | Chance Showers And Thunderstorms | 7 mph S | 53% |
| Thursday | 92°F | Mostly Sunny | 6 to 10 mph SW | 14% |
| Thursday Night | 75°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 15% |
| Friday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 8 mph SW | 34% |
| Friday Night | 74°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 48% |
| Saturday | 91°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph SW | 54% |
| Saturday Night | 73°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 54% |
| Sunday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 21% |
| Sunday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 21% |
| Monday | 93°F | Mostly Sunny | 2 to 7 mph W | 11% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms | 6 mph W | 17% |
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 Aug 4, 2026.