Frederick, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Frederick, a city in Frederick County, Maryland.
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. Northeast wind around 3 mph.
7-day forecast for Frederick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 3 mph NE | 0% |
| Tonight | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 3 mph E | 30% |
| Wednesday | 85°F | Rain Showers Likely then Chance Showers And Thunderstorms | 0 to 5 mph SE | 71% |
| Wednesday Night | 72°F | Showers And Thunderstorms Likely | 3 mph S | 65% |
| Thursday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph S | 41% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 0 to 6 mph SW | 41% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 48% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 0 to 3 mph W | 48% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 44% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 3 mph W | 44% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 3 mph W | 15% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph W | 15% |
| Monday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 7 mph W | 15% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 6 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov) for Frederick (39.434, -77.415). Updated through the day.
Growing snapshot for Frederick
Last spring frost
Apr 2
First fall frost
Nov 6
Growing season
218 days
Hardiness zone
7b
More local growing data for Frederick: nearby ZIP 21705 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Adamstown
Bagtown
Ballenger Creek
Bartonsville
Braddock Heights
Brunswick
Buckeystown
Burkittsville
Emmitsburg
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 (1.6 mi from Frederick). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.