Chewsville, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chewsville, a community in Washington County, Maryland.
Tonight
56°F
Isolated Rain Showers then Partly Cloudy
Isolated rain showers before 8pm. Partly cloudy, with a low around 56. Northeast wind 6 to 9 mph. Chance of precipitation is 20%.
7-day forecast for Chewsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Isolated Rain Showers then Partly Cloudy | 6 to 9 mph NE | 20% |
| Saturday | 77°F | Partly Sunny | 8 mph E | 5% |
| Saturday Night | 65°F | Scattered Rain Showers | 6 to 9 mph SE | 40% |
| Sunday | 80°F | Showers And Thunderstorms | 9 to 14 mph S | 80% |
| Sunday Night | 62°F | Showers And Thunderstorms | 3 to 9 mph NW | 80% |
| Monday | 70°F | Chance Rain Showers | 8 to 12 mph NE | 40% |
| Monday Night | 58°F | Rain Showers Likely | 7 to 10 mph NE | 58% |
| Tuesday | 62°F | Rain Showers Likely | 12 mph NE | 73% |
| Tuesday Night | 52°F | Showers And Thunderstorms Likely | 12 mph NE | 73% |
| Wednesday | 59°F | Rain Showers Likely | 12 mph NE | 57% |
| Wednesday Night | 53°F | Chance Showers And Thunderstorms | 10 mph NE | 54% |
| Thursday | 61°F | Chance Showers And Thunderstorms | 10 mph NE | 51% |
| Thursday Night | 53°F | Chance Rain Showers | 7 mph N | 36% |
| Friday | 67°F | Chance Rain Showers | 8 mph N | 25% |
Forecast source: National Weather Service (api.weather.gov) for Chewsville (39.648, -77.631). Updated through the day.
Growing snapshot for Chewsville
Last spring frost
Apr 11
First fall frost
Oct 28
Growing season
199 days
Hardiness zone
7a
More local growing data for Chewsville: nearby ZIP 21742 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Hagerstown 1 E, Md (3.6 mi from Chewsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.