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
53°F
Mostly Clear
Mostly clear, with a low around 53. South wind around 13 mph.
7-day forecast for Fort Ritchie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Mostly Clear | 13 mph S | 1% |
| Wednesday | 68°F | Mostly Sunny | 8 to 14 mph S | 2% |
| Wednesday Night | 60°F | Mostly Cloudy then Light Rain | 14 to 18 mph S | 86% |
| Thursday | 68°F | Light Rain | 7 to 18 mph S | 80% |
| Thursday Night | 58°F | Light Rain Likely | 5 to 8 mph SW | 56% |
| Friday | 64°F | Chance Light Rain | 3 mph NW | 54% |
| Friday Night | 49°F | Chance Light Rain then Partly Cloudy | 3 to 8 mph NW | 45% |
| Saturday | 57°F | Mostly Sunny | 7 to 13 mph NW | 13% |
| Saturday Night | 43°F | Partly Cloudy | 7 to 13 mph NW | 13% |
| Sunday | 55°F | Mostly Sunny | 9 mph W | 7% |
| Sunday Night | 42°F | Partly Cloudy then Slight Chance Light Rain | 9 to 13 mph W | 22% |
| Monday | 54°F | Slight Chance Light Rain | 12 to 16 mph W | 23% |
| Monday Night | 41°F | Slight Chance Light Rain | 13 mph W | 23% |
| Tuesday | 58°F | Sunny | 12 to 15 mph W | 9% |
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 Nov 4, 2026.