Bartonsville, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bartonsville, a community in Frederick County, Maryland.
Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. South wind around 3 mph.
7-day forecast for Bartonsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 3 mph S | 2% |
| Wednesday | 74°F | Mostly Sunny | 3 to 12 mph S | 2% |
| Wednesday Night | 62°F | Mostly Cloudy then Light Rain Likely | 8 mph S | 70% |
| Thursday | 74°F | Light Rain Likely | 5 to 9 mph S | 71% |
| Thursday Night | 60°F | Chance Light Rain | 1 to 5 mph SW | 52% |
| Friday | 69°F | Chance Rain | 2 mph N | 54% |
| Friday Night | 48°F | Chance Light Rain | 0 to 3 mph NW | 47% |
| Saturday | 63°F | Mostly Sunny | 3 to 10 mph NW | 12% |
| Saturday Night | 39°F | Partly Cloudy | 2 to 7 mph NW | 12% |
| Sunday | 60°F | Mostly Sunny | 2 to 7 mph W | 8% |
| Sunday Night | 38°F | Partly Cloudy then Slight Chance Light Rain | 6 mph W | 20% |
| Monday | 60°F | Slight Chance Light Rain | 6 to 15 mph NW | 21% |
| Monday Night | 37°F | Slight Chance Light Rain | 3 to 7 mph W | 21% |
| Tuesday | 63°F | Sunny | 5 to 13 mph W | 11% |
Forecast source: National Weather Service (api.weather.gov) for Bartonsville (39.389, -77.353). Updated through the day.
Growing snapshot for Bartonsville
Last spring frost
Apr 2
First fall frost
Nov 6
Growing season
218 days
Hardiness zone
7a
More local growing data for Bartonsville: nearby ZIP 21704 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Adamstown
Bagtown
Ballenger Creek
Braddock Heights
Brunswick
Buckeystown
Burkittsville
Emmitsburg
Frederick
Garretts Mill
Graceham
Green Valley
Jefferson
Lewistown
Libertytown
Linganore
Middletown
Monrovia
Mount Airy
Myersville
New Market
Point of Rocks
Rosemont
Sabillasville
Sandy Hook
Spring Ridge
Thurmont
Union Bridge
Urbana
Walkersville
Climate data from the nearest NOAA station, Frederick Police Brks, Md (5.4 mi from Bartonsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.