Fort Ritchie, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Ritchie, a community in Washington County, Maryland.
Tonight
57°F
Isolated Rain Showers then Partly Cloudy
Isolated rain showers before 8pm. Partly cloudy, with a low around 57. Northeast wind around 10 mph. Chance of precipitation is 20%.
7-day forecast for Fort Ritchie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Isolated Rain Showers then Partly Cloudy | 10 mph NE | 20% |
| Saturday | 71°F | Partly Sunny | 9 mph E | 5% |
| Saturday Night | 63°F | Scattered Rain Showers | 9 mph SE | 40% |
| Sunday | 74°F | Showers And Thunderstorms | 9 to 14 mph S | 81% |
| Sunday Night | 60°F | Showers And Thunderstorms | 6 to 10 mph NW | 81% |
| Monday | 65°F | Chance Rain Showers | 12 mph NE | 39% |
| Monday Night | 55°F | Rain Showers Likely | 8 to 20 mph NE | 57% |
| Tuesday | 57°F | Rain Showers Likely | 9 to 20 mph E | 72% |
| Tuesday Night | 51°F | Rain Showers Likely | 13 to 22 mph NE | 72% |
| Wednesday | 54°F | Rain Showers Likely | 10 to 21 mph NE | 57% |
| Wednesday Night | 51°F | Chance Showers And Thunderstorms | 12 to 20 mph NE | 53% |
| Thursday | 56°F | Chance Showers And Thunderstorms | 8 to 18 mph NE | 51% |
| Thursday Night | 51°F | Chance Rain Showers | 8 to 12 mph NE | 38% |
| Friday | 62°F | Chance Rain Showers | 8 to 12 mph N | 25% |
Forecast source: National Weather Service (api.weather.gov) for Fort Ritchie (39.704, -77.506). Updated through the day.
Growing snapshot for Fort Ritchie
Last spring frost
Apr 14
First fall frost
Oct 30
Growing season
197 days
Hardiness zone
7a
More local growing data for Fort Ritchie: nearby ZIP 21719 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Catoctin Mtn Park, Md (4.2 mi from Fort Ritchie). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.