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Washington DC weather: warm and humid with thundershowers on Tuesday

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Brian's exclusive forecast for Washington DC:

This afternoon: Clouds and sun, warm and humid. The high will be 85 to 90.

Tonight: Mostly clear and warm with a low around 65.

Tuesday: Clouds and sun with scattered afternoon thunderstorms. The high will be in the mid to upper 80s.

Tuesday Night: Scattered showers and thunderstorms with a low in the mid to upper 60s.

Wednesday: A good chance of showers and thunderstorms. The high will be in the mid to upper 70s.

The extended forecast calls for clouds and sun on Tuesday with isolated thundershowers. The low will be in the mid 60s and the high will be in the mid 80s. Clouds and sun on Wednesday with isolated thundershowers. The low will be in the mid 60s and the high will be in the mid 80s. Becoming mostly sunny on Thursday and Friday with lows in the upper 50s and highs each day in the upper 70s.

Weather Summary

A hot and humid Memorial Day was experienced in Baltimore and Washington due to high pressure settling to our east and a southerly flow of warm, humid air moving in from the south. High pressure will continue to produce a clockwise flow of air into the area on Tuesday with clouds and sun. Afternoon temperatures will climb into the 80s after morning lows in the mid 60s. Meanwhile, a cold front will move from west to east across central Maryland by Tuesday evening. As the cooler, drier air from the west clashes with the warm, humid air in place we can expect scattered showers and thunderstorms to develop from Tuesday afternoon into Tuesday evening. More showers and storms will develop during the day on Wednesday, persisting into early Thursday morning. As we move into the latter half of the week, high pressure will build over the Middle Atlantic states and provide sunny, pleasant weather from Thursday afternoon through Saturday with lows in the 50s and highs in the 70s.

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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