Maryland Weather Meteorology, astronomy and climate conditions in the Baltimore region

Much of the Baltimore region could see its first frost Friday morning

Temperatures across much of the Baltimore region are expected to hit the mid-30s early Friday morning, potentially bringing many areas their first frost of the season.

The National Weather Service has issued a frost advisory for all of central and southern Maryland, including Baltimore City and Baltimore, Carroll, Howard, Harford and Anne Arundel counties, from midnight through 9 a.m.

Meteorologists warn that sensitive plants could be damaged or killed in the cold.

The growing season is likely to come to an end around Hagerstown overnight, with a freeze warning in effect for Washington County. The season’s first freeze already occurred in Allegany and Garrett counties.

The burst of cold weather is on the late side, compared to the norm, according to the University of Maryland extension.

In one out of every two years, temperatures fall below freezing for the first time by Oct. 12 in Cumberland, Oct. 17 in Hagerstown, Oct. 20 in Westminster and Oct. 28 at Baltimore-Washington International Thurgood Marshall Airport.

Freezing temperatures typically don’t arrive in urban parts of Baltimore City until November.

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