Middletown, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middletown, a town in Frederick County, Maryland.
Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. Southeast wind around 6 mph.
7-day forecast for Middletown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 6 mph SE | 2% |
| Wednesday | 74°F | Mostly Sunny | 5 to 14 mph S | 2% |
| Wednesday Night | 62°F | Mostly Cloudy then Light Rain | 7 to 10 mph S | 81% |
| Thursday | 74°F | Light Rain | 6 to 12 mph S | 77% |
| Thursday Night | 60°F | Chance Light Rain | 1 to 6 mph SW | 51% |
| Friday | 69°F | Chance Light Rain | 3 mph NW | 51% |
| Friday Night | 50°F | Chance Light Rain | 1 to 5 mph NW | 44% |
| Saturday | 63°F | Mostly Sunny | 5 to 13 mph NW | 11% |
| Saturday Night | 42°F | Partly Cloudy | 5 to 8 mph NW | 11% |
| Sunday | 60°F | Mostly Sunny | 5 to 9 mph W | 8% |
| Sunday Night | 42°F | Partly Cloudy then Slight Chance Light Rain | 5 to 8 mph W | 20% |
| Monday | 60°F | Slight Chance Light Rain | 8 to 17 mph NW | 22% |
| Monday Night | 40°F | Slight Chance Light Rain | 3 to 8 mph W | 22% |
| Tuesday | 64°F | Sunny | 5 to 15 mph W | 10% |
Forecast source: National Weather Service (api.weather.gov) for Middletown (39.441, -77.535). Updated through the day.
Growing snapshot for Middletown
Last spring frost
Apr 2
First fall frost
Nov 6
Growing season
218 days
Hardiness zone
7a
More local growing data for Middletown: nearby ZIP 21769 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Adamstown
Bagtown
Ballenger Creek
Bartonsville
Braddock Heights
Brunswick
Buckeystown
Burkittsville
Emmitsburg
Frederick
Garretts Mill
Graceham
Green Valley
Jefferson
Lewistown
Libertytown
Linganore
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 (7.2 mi from Middletown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.