D.C. area forecast: Quite pleasant for now, but some heat lurks

EXPRESS FORECAST

Today: Mostly sunny. Mid-80s. | Tonight: Mostly clear. Near 60 to upper 60s. | Tomorrow: Mostly sunny. Mid-to-upper 80s. | A Look Ahead | Get Express Forecast by E-mail


FORECAST IN DETAIL


Today (Wednesday): Lots of sun and fairly low humidity come together quite nicely. I was tempted to bring out the Nice Day icon, but I’m nervous we’ll top the 85 degree criteria as highs should rise to the mid-80s most spots. Many should agree it’s a good day to spend some time outdoors though. Any isolated showers or storms should stay south of the area. Confidence: Medium-High

Tonight: Grab a sidewalk dinner or take a long stroll? Solid evening for either. Under mostly clear skies, lows dip to near 60 in the suburbs and into the upper 60s downtown. Confidence: Medium-High

For related traffic news, check out Dr. Gridlock. Keep reading for the forecast through the weekend...

Tomorrow (Thursday): No major changes are on tap, except for a resumption of a south wind. That will slowly bring moisture levels back up and also bump temperatures a bit. Look for highs in the mid-and-upper 80s with mostly sunny skies. Confidence: Medium-High

Tomorrow night: Along with increased moisture, we’ll probably see a few clouds floating by and also higher overnight temperatures. Lows make it to the mid-60s in outlying areas and the low 70s in D.C. Confidence: Medium-High

A LOOK AHEAD

Heat gets turned up on Friday and Saturday. If you’re still looking for that record-tying 28th 95 degree or higher day, it might be lurking. Mostly sunny skies and building upper-level high pressure combine to send temperatures into the mid-90s on Friday. Coming off lows in the upper 60s and low 70s, Saturday may end up featuring a few more clouds and a rain threat late, partly depending on Isaac’s future movement.But, for now, it looks limited and/or late enough for us to still end up in the low-or-mid 90s. Confidence: Medium

On Sunday, the forecast becomes rather uncertain. Our best computer models differ, with one side bringing areawide rain chances in, and the other keeping it well west. There’s enough of a signal to prompt a 40% chance of rain. If it happens, it could end up being the type of event that drops at least spots of significant rain. We’re still in a warm regime, but with more clouds and a rain risk, temperatures should stay in the mid-80s. Confidence: Low

By the time we get to Labor Day, it’s a little more likely (50% chance) we’ll see some rain in the area, either entirely from Isaac’s remnants or from that plus a cold front approaching the area. With any luck, shower and storm risks will end up being late in the day. But as with Sunday, any rain could be heavy. Highs reach for the mid-80s. Confidence: Low

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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