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Hot, Humid, and Mostly Ordinary
Storm chances low today, increase tomorrow

Matt Ross @ 12:00 AM

Seasonably hot weather is in the cards for mid-week. Mid-July will feel very much like mid-July is supposed to feel in DC. Uncomfortable. Fortunately our average temperature starts to slowly decrease in less than 2 weeks (July 28th).

Today and Tonight

Forecast Confidence: HighPartly Sunny, Very Hot. Today will feature a mix of clouds and sun. It will be humid, but not oppressively so. Likely our hottest day of the week, afternoon high temperatures will reach 93-96 degrees. An isolated (10%) shower or thunderstorm can't be ruled out. Overnight, shower chances increase slightly (25%) as the temperature slowly creeps down to the low to mid 70s.


Forecast Confidence: HighHumid, Afternoon Showers/Thunderstorms Possible. Wednesday will be a bit more humid than today. Under partly cloudy skies, afternoon highs will reach the low 90s. There is a 30% chance of afternoon and evening thunderstorms. Refer to Jason's forecast for the rest of the week and weekend.

Storms build to the west of DC on Sunday afternoon, courtesy of Photographer, Kevin Ambrose.

Mid-July Recap

We are now halfway through both meteorological summer (June 1 - August 31) and July. So far, July is about as normal as it gets with regards to temperatures. This isn't terribly surprising as July has the least amount of deviation in temperatures of any month in DC. Through the 16th, we are averaging just 0.2 degrees above normal with an average high of 88.8 and an average low of 69. We have had seven 90 degree days this month, just on pace for our July average of thirteen. Today will bring us to sixteen 90 degree days for the year.

Precipitation, on the other hand, continues to run below normal, especially west of town. If July ends up with below average precipitation as it is on pace to do, it would make 6 out of 7 months this year, with only April finishing above normal. (see Jason's Saturday column for more on the rain deficit).

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