Make sure to incorporate an umbrella or slicker to your Halloween costume, because it’s going to be a rainy (and spooky) night for the D.C. area.

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As the sun goes down and the ghouls and goblins come out to play, there’s a 70% chance of showers with temperatures expected to dip into the mid-50s. “Low pressure moving across the region will then generate a few waves of rain this evening to early Tuesday,” Storm Team4 Meteorologist Chad Merrill said.

Halloween will bring increasing shower chances through the day. Highs should top out in the low/mid 60s (10 degrees cooler across the mountains). Expect a better chance for showers by the evening and overnight. Plan accordingly for any outdoor activities. #MDwx #VAwx #DCwx #WVwx pic.twitter.com/4ZH5hcy1EI

— NWS Baltimore-Washington (@NWS_BaltWash) October 31, 2022

A Southwest wind will also blow through during peak trick-or-treating hours.

“We are in an unsettled weather pattern due to an approaching area of low pressure,” Storm Team4 meteorologist Mike Stinneford said, adding that showers are to be expected throughout the evening. Trick-or-treaters should be ready for some showers and possibly a thunderstorm after sunset. And the spookiness continues overnight with some patch fog. For Tuesday, All Saints Day starts out foggy and cloudy, but the sky will open up by afternoon and temperatures are expected to bump back up into the mid-70s. “Later in the day as the wind shifts to the northwest, a refreshing breeze will develop and the sky will clear,” Merrill said. Not bad for November. Temperatures for the rest of the week should be above-average in the low 70s.

Forecast

MONDAY NIGHT: Rain likely with some possible thunderstorms. Mild with areas of fog. Winds: South 5-10 mph. Lows in the upper 50s. TUESDAY: Morning clouds with showers, then clearing and mild. Winds: Northwest 5-10 mph. Highs in the lows 70s. WEDNESDAY: Sunny in the morning, then some clouds in the afternoon. Mild and dry. Winds: North 5-10 mph. Highs in the low 70s. THURSDAY: Sunny and cloudy. A steady breeze. Winds: North 5-15 mph. Highs in the low 70s.

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