Cool temperatures are forecast for the first day of fall, starting off in the 40s around Baltimore and potentially below freezing in Western Maryland for the first time since spring.
Overnight lows were forecast from the upper 40s in rural areas to the lower 50s in the city. A frost advisory was in effect for Garrett and western Allegany counties.
Sunny skies are forecast throughout the day, with highs in the lower 70s in Baltimore.
Clouds are expected to move in Wednesday, with highs in the mid-70s and chances for showers at night and into early Thursday.
More clouds and highs in the lower 70s are forecast Thursday, with sunshine returning and highs in the mid-70s Friday.