 Martinsburg to Greencastle. This is brought to you by Frederick Aaron Bryant. Whatever it takes to keep you comfortable, Frederick Aaron, it's a good call. The 930 WFMD sky scan forecast for Frederick and surrounding counties. For this morning, patchy fog, otherwise sunny today or high 92. Partly cloudy tonight, low 68. Independence Day, times of clouds and sun, straight thunderstorm early, then showers likely, maybe a thunderstorm in the afternoon, high 94.