Middletown, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middletown, a town in Frederick County, Maryland.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. East wind around 5 mph.
7-day forecast for Middletown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 68°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 1 to 6 mph E | 31% |
| Wednesday | 84°F | Rain Showers Likely then Chance Showers And Thunderstorms | 2 to 6 mph E | 68% |
| Wednesday Night | 70°F | Showers And Thunderstorms Likely | 6 mph S | 59% |
| Thursday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph S | 44% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 1 to 8 mph SW | 44% |
| Friday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph SW | 50% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 50% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph W | 45% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 45% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph W | 15% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 3 mph SW | 15% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 9 mph W | 15% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 8 mph W | 15% |
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
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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 Aug 4, 2026.