The Washington Post

PM Update: Gradually drying out and becoming pleasant

Despite considerable clouds, we still logged yet another day at or above 90-degrees. Unfortunately for those in need of rain - most of us - showers and thunderstorms have been widely scattered. Storms gradually subside this evening marking the transition to drier and eventually cooler conditions.

Through Tonight: There’s a mere 20-30% of evening storms - which should wind down by between 6 and 10 p.m. from northwest to southeast. Then skies slowly clear - possibly opening up a window for Perseid meteor shower viewing pre-dawn. Lows range from the mid-60s in the cooler suburbs to the low 70s downtown.

Tomorrow (Wednesday): We have wall to wall sunshine which, despite the steady arrival of drier air, boosts afternoon temperatures back into the low 90s. Winds from the west around 10-15 mph will be pleasant. Humidity levels may still feel a little sticky in the morning but should feel much better by evening.

See Matt Rogers’ forecast through early next week. And if you haven’t already, join us on Facebook and follow us on Twitter

Pollen update from Walter Reed: “Tree pollen is LOW at 0.64 gr/cubic meter, grass pollen is LOW (NAB range) at 2.88 gr/cubic meter which is more Moderate for our area. Weed pollen is LOW at 4.47 gr/cubic meter and mold spores are in the HIGH range at 15086.88 spores/cubic meter.” For more on the high mold spore count, read the interesting blog post by WJLA’s John Metcalfe.

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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