Brownsville, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brownsville, a community in Washington County, Maryland.
Tonight
59°F
Isolated Rain Showers then Mostly Cloudy
Isolated rain showers before 8pm. Mostly cloudy, with a low around 59. Northeast wind around 9 mph. Chance of precipitation is 20%.
7-day forecast for Brownsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Isolated Rain Showers then Mostly Cloudy | 9 mph NE | 20% |
| Saturday | 77°F | Partly Sunny | 8 mph E | 5% |
| Saturday Night | 66°F | Mostly Cloudy then Scattered Rain Showers | 8 mph SE | 30% |
| Sunday | 81°F | Showers And Thunderstorms | 8 to 14 mph S | 75% |
| Sunday Night | 63°F | Showers And Thunderstorms | 5 to 9 mph NW | 75% |
| Monday | 71°F | Chance Rain Showers | 7 to 12 mph NE | 40% |
| Monday Night | 59°F | Rain Showers Likely | 7 to 13 mph NE | 60% |
| Tuesday | 63°F | Rain Showers Likely | 13 mph NE | 73% |
| Tuesday Night | 54°F | Showers And Thunderstorms Likely | 10 to 14 mph NE | 73% |
| Wednesday | 59°F | Rain Showers Likely | 10 to 14 mph NE | 57% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 54% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 8 to 13 mph NE | 53% |
| Thursday Night | 53°F | Chance Rain Showers | 7 mph N | 35% |
| Friday | 67°F | Slight Chance Rain Showers | 9 mph N | 23% |
Forecast source: National Weather Service (api.weather.gov) for Brownsville (39.378, -77.662). Updated through the day.
Growing snapshot for Brownsville
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
175 days
Hardiness zone
7a
More local growing data for Brownsville: nearby ZIP 21715 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Antietam
Bakersville
Beaver Creek
Big Pool
Big Spring
Boonsboro
Breathedsville
Cavetown
Cearfoss
Charlton
Chewsville
Clear Spring
Dargan
Downsville
Eakles Mill
Edgemont
Ernstville
Fairplay
Fairview
Fort Ritchie
Fountainhead-Orchard Hills
Funkstown
Gapland
Greensburg
Hagerstown
Halfway
Hancock
Highfield-Cascade
Indian Springs
Jugtown
Climate data from the nearest NOAA station, Sharpsburg 5 S, Md (3.5 mi from Brownsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.