The Washington Post

PM Update: A bit cooler Tuesday, still plenty sunny

What a delightful day this turned out to be. Wall-to-wall sunshine assisted temperatures in reaching the low-to-mid 60s with just a light breeze. A weak cold front sneaks through the area tonight, just shifting winds to come from a cooler direction. Tuesday remains sunny, but temperatures drop about 10 degrees.

Through Tonight: Despite the cold frontal passage, it stays mostly clear. That’s good news for any skywatchers heading out to catch a glimpse of the moon, Jupiter and Venus, and several other visible planets. If you’re out, you’ll want to dress warmly, with lows range from near 30 in the colder suburbs to the mid-to-upper 30s downtown. Winds from the southwest at 5-10 mph become northwesterly.

Tuesday: High pressure building into the region produces mostly sunny skies. But with winds from the northwest (at near 10 mph), instead of low 60s for highs, we get low 50s. That’s still right around normal, if not a degree or two warmer.

See my forecast through the weekend. And if you haven’t already, join us on Facebook and follow us on Twitter. For related traffic news, check out Dr. Gridlock.

Pollen update from the U.S. Army Allergen Lab: Tree pollen is MODERATE at 20.13 grains/cubic meter and mold spores remain LOW at 356.16 spores/cubic meter. The tree pollen is down a bit due to colder weather this past weekend.

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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