Middletown, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middletown, a town in Frederick County, Maryland.
Tonight
59°F
Partly Cloudy
Partly cloudy, with a low around 59. Northeast wind around 9 mph.
7-day forecast for Middletown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Partly Cloudy | 9 mph NE | 2% |
| Saturday | 77°F | Partly Sunny | 9 mph E | 5% |
| Saturday Night | 66°F | Mostly Cloudy then Scattered Rain Showers | 8 mph SE | 30% |
| Sunday | 80°F | Showers And Thunderstorms | 8 to 14 mph S | 75% |
| Sunday Night | 63°F | Showers And Thunderstorms | 5 to 10 mph NW | 75% |
| Monday | 71°F | Chance Rain Showers | 7 to 12 mph NE | 39% |
| Monday Night | 59°F | Rain Showers Likely | 7 to 12 mph NE | 58% |
| Tuesday | 63°F | Rain Showers Likely | 13 mph NE | 72% |
| Tuesday Night | 54°F | Showers And Thunderstorms Likely | 14 mph NE | 72% |
| Wednesday | 59°F | Rain Showers Likely | 10 to 14 mph NE | 56% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 12 mph NE | 52% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 12 mph NE | 51% |
| Thursday Night | 54°F | Chance Rain Showers | 5 to 8 mph N | 36% |
| Friday | 67°F | Slight Chance Rain Showers | 9 mph N | 23% |
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 Sep 19, 2026.