AccuWeather.com - Frederick
- Current conditions, 5-day weather forecasts, maps, radar and satellite images for Frederick.
- http://www.accuweather.com/forecast.asp?zipcode=21701

Weather Underground: Frederick, Maryland, Forecast
- Active advisories, if any. Current conditions, forecast, links to weather maps. Defaults to Fort Ritchie conditions, but if you have Javascript enabled, you can easily switch to the reports from Hagerstown or Leesburg (Virginia).
- http://www.weatherunderground.com/cgi-bin/findweather/getForecast?query=Frederick%2C+Maryland

The Weather Channel - Frederick, Maryland
- Current conditions, 5-day forecast, detailed forecast, Doppler radar maps. As reported at Hagerstown.
- http://www.weather.com/weather/local/USMD0161