Fort Washington, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Washington, a community in Prince George's County, Maryland.
This Afternoon
86°F
Partly Sunny
Partly sunny, with a high near 86. North wind around 9 mph.
7-day forecast for Fort Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Partly Sunny | 9 mph N | 10% |
| Tonight | 64°F | Mostly Cloudy | 10 mph N | 10% |
| Saturday | 80°F | Partly Sunny | 10 mph NE | 10% |
| Saturday Night | 68°F | Mostly Cloudy | 9 mph SE | 10% |
| Sunday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 7 to 13 mph S | 37% |
| Sunday Night | 68°F | Showers And Thunderstorms Likely | 7 to 10 mph NW | 62% |
| Monday | 77°F | Chance Rain Showers | 10 mph N | 42% |
| Monday Night | 64°F | Chance Rain Showers | 7 to 10 mph NE | 54% |
| Tuesday | 69°F | Rain Showers Likely | 10 to 14 mph NE | 60% |
| Tuesday Night | 59°F | Rain Showers Likely | 13 mph NE | 60% |
| Wednesday | 64°F | Chance Rain Showers | 14 mph NE | 50% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 8 to 13 mph NE | 50% |
| Thursday | 66°F | Chance Showers And Thunderstorms | 12 mph NE | 46% |
| Thursday Night | 56°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 33% |
Forecast source: National Weather Service (api.weather.gov) for Fort Washington (38.732, -77.009). Updated through the day.
Growing snapshot for Fort Washington
Last spring frost
Apr 3
First fall frost
Nov 8
Growing season
217 days
Hardiness zone
7b
More local growing data for Fort Washington: nearby ZIP 20744 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Oxon Hill, Md (3.5 mi from Fort Washington). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.