A cold front reached the Baltimore region early Monday morning, bringing cool and dry weather for Halloween.
Temperatures fell from the lower 60s around midnight to 47 degrees by sunrise at Baltimore/Washington International Thurgood Marshall Airport. Highs are forecast in the upper 50s Monday afternoon.
Temperatures are expected in the mid-50s as trick-or-treating gets going Monday afternoon, falling into the upper 40s after sunset.
It is a return to seasonable weather after a spell of weekend warmth and then windy and rainy conditions as the cold front approached Sunday night.
BWI tied a record high set in 1946 on Sunday, reaching 83 degrees.
Unseasonably warm weather on Sunday will give way to a cool and dry Halloween on Monday in Baltimore, meteorologists said.
The high at on Sunday was 83, tying a high record set in 1946, the National Weather Service said.
Seasonable weather is forecast for the early part of this week before temperatures rise into the lower to mid-70s Wednesday and Thursday.