Little pirates and princesses will need to bundle up Monday if they trick or treat outdoors.
The National Weather Service predicts a high in the upper 50s for Halloween in the Tri-Cities, with temperatures dropping in the evening. Temperatures are typical for late October in the Tri-Cities.
But breezy weather may make the day feel colder. A southwest wind of about 21 mph is forecast for the Tri-Cities, with gusts up to 26 mph. The wind should die down in the evening.
More rainy weather remains a possibility on Halloween.
The chance of rain on Halloween is about 40 percent in the afternoon, decreasing to 20 percent through the evening and later.