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Washington DC weather for August 28: mostly sunny and warm

Brian's exclusive forecast for Washington DC:

This evening: Mostly clear and warm with a low around 70.

Friday: Mostly sunny and warm with a high in the mid 80s.

Friday Night: Mostly clear with a low around 70.

Saturday: Very warm and humid with a thundershower possible. The high will be around 90.

The extended outlook calls for very warm and humid conditions on Sunday and Monday with lows near 70 and highs around 90. Warm and humid on Tuesday with a good chance of afternoon and evening thunderstorms. The low will be near 70 and the high will be around 90. Clouds and sun on Wednesday and Thursday. Lows will be in the mid 60s and highs will be in the mid 80s.

Weather Summary

High pressure near the Great Lakes provided the Middle-Atlantic region with a mostly sunny sky today. Temperatures were seasonably warm, but humidity was lower than yesterday. The center of the high will shift to the east on Friday, providing yet another sunny and warm day for Baltimore and Washington. Over the weekend, the high will move offshore and the return flow around the high will result in warmer and more humid air overspreading the region. This pattern will continue into Tuesday when a cold front will move from west to east across the area. The front will produce widespread showers and thunderstorms by late Tuesday afternoon and evening.

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.