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D.C.-area forecast: Storms could pop up late this afternoon, but we may avoid 90 degrees this entire week

The scene along 17th Street in the District on Friday. (Joe Flood/Flickr)
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Today’s daily digit

A somewhat subjective rating of the day’s weather, on a scale of 0 to 10.

5/10: Temperatures aren’t bad at all, but morning fog, late-day storms make it mediocre.

Express forecast

  • Today: Areas of fog early. Then partly sunny, scattered storms late. Highs: 80 to 85.
  • Tonight: Storms exit. Partly cloudy. Lows: 60 to 65.
  • Tomorrow: Partly sunny. Highs: 81 to 86.

Forecast in detail

If you hate the heat, things are looking up. We ended a streak of 50 straight days with lows at or above 70 degrees Sunday, and highs should hold in the 80s much of this week. But we will have some scattered afternoon and evening storms in the picture, particularly today, Wednesday and Friday. That said, this week’s rainfall shouldn’t in any way repeat the deluges of last week.

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Today (Monday): Some patchy morning fog is likely before skies become partly sunny. Temperatures aren’t bad, with highs in the low to mid-80s, coupled with moderately high humidity (dew points in the mid- to upper 60s). Winds are mostly light out of the southwest. Models suggest a broken line of showers and storms will move through between late afternoon and early evening, likely producing scattered downpours and perhaps some locally strong winds. Confidence: Medium-High

Tonight: After any early evening storms scoot off, skies are partly cloudy, with lows overnight between 60 and 65. Light winds from the west. Confidence: High

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Tomorrow (Tuesday): This may be the nicest day of the week. Skies are partly to mostly sunny, humidity is moderate (dew points 60 to 65) and temperatures are a few degrees cooler than average. Highs are in the low to mid-80s, with light breezes from the northwest. Confidence: Medium-High

Tomorrow night: Some showers and storms aren’t out of the question, especially late at night, as a little disturbance zips by. Lows are in the mid- to upper 60s. Confidence: Medium

A look ahead

Wednesday through Friday is not a bad stretch of summer days. Skies are partly sunny and highs are in the low to mid-80s, but it’s a little more humid (dew points rising into the mid- to upper 60s) and some showers and storms are possible (30 percent chance) in the afternoon and evening, especially on Wednesday and Friday. Partly cloudy at night with lows mostly in the 60s to near 70. Confidence: Medium-High

Turning a little warmer and more muggy over the weekend, with highs in the mid- to upper 80s but, at least right now, storm chances — mostly late in the day — look to be below 20 percent. Low temperatures shift warmer ranging from the mid- to upper 60s in our cooler areas to the low 70s downtown. Confidence: Medium

Read more about Capital Weather Gang’s confidence rating.