Boonsboro, MD Weather & Growing Conditions
Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. Northeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Partly Cloudy | 7 mph NE | 2% |
| Saturday | 77°F | Partly Sunny | 5 to 9 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 13 mph S | 78% |
| Sunday Night | 63°F | Showers And Thunderstorms | 3 to 9 mph NW | 78% |
| Monday | 71°F | Chance Rain Showers | 7 to 12 mph NE | 40% |
| Monday Night | 59°F | Rain Showers Likely | 7 to 12 mph NE | 59% |
| Tuesday | 63°F | Rain Showers Likely | 13 mph NE | 73% |
| Tuesday Night | 54°F | Showers And Thunderstorms Likely | 13 mph NE | 73% |
| Wednesday | 59°F | Rain Showers Likely | 13 mph NE | 56% |
| Wednesday Night | 53°F | Chance Showers And Thunderstorms | 8 to 12 mph NE | 54% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 8 to 12 mph NE | 51% |
| Thursday Night | 53°F | Chance Rain Showers | 7 mph N | 35% |
| Friday | 67°F | Slight Chance Rain Showers | 9 mph N | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Boonsboro, MD
Last spring frost
Apr 11
First fall frost
Oct 28
Growing season
199 days
Hardiness zone
7a
Explore more for Boonsboro, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Hagerstown 1 E, Md (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.