PM Update: July weather at its finest; Delta Aquarid meteor shower tonight

Temperature Map

Temperatures: Latest D.C. area temperature map. See interactive map on our Weather Wall.

Even though the cold front passed through early, today featured plentiful pop up clouds, a few sprinkles north, and there’s an additional area of showers tracking this way from Pennsylvania. This is all thanks to cold air aloft mixed with surface warming. Clouds and any shower risk will continue waning as the sun sets, and a cool July night is ahead. If tomorrow wasn’t a Tuesday it may qualify as one of the best days ever when you see what’s anticipated.

Through Tonight: As the sun sets, a batch of showers to the north could track into parts of the area. They should be dying out on approach though, so it seems northern counties have the best risk of some brief raindrops. Other than that, it’s mostly clear to perhaps partly cloudy at times. NWS Baltimore/Washington has declared this to be W.O.W. (Windows Open Weather), and it’s hard not to agree with that as lows head for the upper 50s and low 60s across the area. You may even feel a bit cool late at night or before sunrise, with winds from the northwest around 5 to 10 mph.

Tomorrow (Tuesday): We’ve been a little spoiled this July by nice days, and yet Tuesday may be among the nicest. Just a few clouds float by in an otherwise deep blue sky. Many places struggle to get out of the 70s, but an overall range of something like 76-81 appears likely. For you humidity watchers, dew points in the way-low 40s seem a good bet, at least in parts of the area. Winds are out of the northwest around 10 mph, with higher gusts. Summertime bliss!

See Jason Samenow’s 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.


A spectacular July day in D.C. (Dan Lawrence via Flickr)

Sky gazing: The Delta Aquarid meteor shower has been ongoing for several days, and it is expected to hit peak overnight. Aided by the new moon, and lack of clouds or haze tonight in the area, viewing should be good. About 16 meteors per hour can be expected. Peak should be in the hours surrounding 2 a.m. Get all the details from earthsky.org.

Ian Livingston is a forecaster/photographer and information lead for the Capital Weather Gang. By day, Ian is a defense and national security researcher at a D.C. think tank.
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Jason Samenow · July 28