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Washington DC weather for June 17: hot and humid with a thunderstorm possible

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Brian's exclusive forecast for Washington DC:

Today: Hazy sunshine, hot and humid. A chance of an afternoon thunderstorm. The high will be in the upper 80s to lower 90s.

Tonight: Warm and humid with an evening thundershower possible. The low will be near 70.

Wednesday: Hot and humid with a chance of an afternoon thunderstorm. The high will be in the lower 90s.

Wednesday Night: Warm and humid with an evening thundershower possible. The low will be near 70.

Thursday: Very warm and humid with a chance of an afternoon thunderstorm. The high will be in the upper 80s.

The extended forecast calls for considerable cloudiness on Friday with a chance of a shower or thunderstorm. The low will be near 70 and the high will be in the mid 80s. Clouds and sun on Saturday with a chance of thunderstorms. The low will be near 70 and the high will be in the mid 80s. Clouds and sun on Sunday with a chance of thunderstorms. The low will be near 70 and the high will be in the mid 80s.

Weather Summary

A clockwise flow of air around high pressure to our east will continue to bring a hot, humid flow of air into the Chesapeake Bay region from the south. Temperatures today through Thursday will reach the lower 90s, with overnight lows only dropping to around 70. Although the sky will be mostly sunny each day, there is a risk of an afternoon thunderstorm. Later in the week, a cold front will approach Baltimore and Washington from the west and become stationary in the Middle Atlantic region. This will result in considerable cloudiness along with a chance of thunderstorms on Friday and through the weekend. Temperatures will be a bit cooler with highs only in the mid 80s, but it will remain very humid.

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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