The Washington Post

Now that was a cold front!

Temperatures had fallen into the low 40s at 11 a.m. as the cold front exited the coast.

Between 11 p.m. and 1 a.m. Monday night, a powerful fall cold front cut through the region like a knife. In that short span of time, temperatures plunged 12 to 15 degrees. All the while, rain pounded the turf and winds rocked, gusting to 35 mph or higher. Said front is now heading offshore.

Temperature change over last 24 hours. (

As temperatures fell further this morning - into the upper 30s and low 40s - sleet even mixed in with the rain.

Temperatures are presently about 20 degrees colder than the same time yesterday.

Doppler-estimated rainfall totals over last 24 hours. (NOAA)

The rain has ended, and the sun is out. But this overachieving front dropped a quick 0.5-1.5 inches of rain - with the heaviest amount west of town. Officially, National Airport received 0.51”, Dulles 1.06”, and BWI 0.44”.

Jason is the Washington Post’s weather editor and Capital Weather Gang's chief meteorologist. He earned a master's degree in atmospheric science, and spent 10 years as a climate change science analyst for the U.S. government. He holds the Digital Seal of Approval from the National Weather Association.

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