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Washington DC weather for July 7: heat and humidity returns on Monday

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Brian's exclusive forecast for Washington DC:

This afternoon: Hazy, hot, and humid with a chance of an afternoon thunderstorm. The high will be 90 to 95.

Tonight: Warm and muggy with a low around 70.

Tuesday: Hot and humid with a high in the mid 90s.

Tuesday Night: Muggy with a low around 70.

Wednesday: Hazy and humid with a chance of thunderstorms. The high will be 85 to 90.

The extended forecast calls for hazy and humid conditions on Thursday with a chance of thunderstorms. The low will be in the upper 60s and the high will be in the mid to upper 80s. Mostly sunny on Friday and Saturday with lows in the mid to upper 60s and highs in the mid to upper 80s.

Weather Summary

High pressure off the Atlantic coast will produce a southerly flow and will result in hot and humid conditions today and Tuesday. Highs may reach as high as 95 degrees both days along with uncomfortable levels of humidity. A weak cold front will move from west to east across the bay area on Wednesday, knocking off a few degrees from the high temperature and producing isolated thunderstorms. Scattered storms may persist into Thursday as the frontal system becomes stalled just to our south and east. By Friday and Saturday, high pressure will push the front out to sea and sunshine will return along with slightly less humid conditions.

Regional Weather Information

Baltimore average lows and highs

Washington average lows and highs

National Weather Service daily weather discussion

Baltimore/Washington National Weather Service

Chesapeake Bay marine forecast

Mid-Atlantic radar loop

For more weather updates, please visit my web site www.chesapeakebayweather.com, my Chesapeake Bay Weather page on Facebook, and if you're heading to Ocean City feel free to check out my Ocean City MD Weather page on Facebook. You can also follow me on Twitter @chesbayweather.

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