Barnesville, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Barnesville, a town in Montgomery County, Maryland.
Tonight
63°F
Mostly Cloudy then Light Rain Likely
Rain likely after 1am. Mostly cloudy, with a low around 63. South wind 7 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Barnesville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Mostly Cloudy then Light Rain Likely | 7 to 12 mph S | 66% |
| Thursday | 73°F | Light Rain Likely then Mostly Cloudy | 8 to 12 mph S | 57% |
| Thursday Night | 57°F | Chance Light Rain | 2 to 7 mph SW | 27% |
| Friday | 68°F | Slight Chance Light Rain | 5 mph N | 17% |
| Friday Night | 47°F | Partly Cloudy | 1 to 10 mph N | 14% |
| Saturday | 60°F | Mostly Sunny | 10 to 17 mph NW | 7% |
| Saturday Night | 41°F | Partly Cloudy | 9 to 13 mph NW | 5% |
| Sunday | 60°F | Mostly Sunny | 8 to 15 mph NW | 3% |
| Sunday Night | 40°F | Mostly Clear | 9 mph W | 0% |
| Monday | 61°F | Sunny | 7 to 15 mph W | 0% |
| Monday Night | 39°F | Mostly Clear | 2 to 6 mph W | 0% |
| Tuesday | 65°F | Sunny | 3 to 10 mph W | 0% |
| Tuesday Night | 39°F | Mostly Clear | 6 mph W | 1% |
| Veterans Day | 62°F | Sunny | 3 to 7 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Barnesville (39.224, -77.376). Updated through the day.
Growing snapshot for Barnesville
Last spring frost
Apr 14
First fall frost
Oct 29
Growing season
196 days
Hardiness zone
7a
More local growing data for Barnesville: nearby ZIP 20838 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Damascus 3 Ssw, Md (7.9 mi from Barnesville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.