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Washington DC weather: another sunny, warm day on Sunday

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Brian's exclusive forecast for Washington DC:

Tonight: Mostly clear with a low in the lower 60s.

Sunday: Mostly sunny and warm with a high in the lower to middle 80s.

Sunday Night: Variable cloudiness. The low will be in the upper 60s to lower 70s.

Monday: Warm and humid. Intervals of clouds and sunshine with a chance of thunderstorms. The high will be in the lower 80s.

The extended forecast calls for intervals of clouds and sunshine on Tuesday with a chance of thunderstorms. The low will be near 70 and the high will be in the low 80s. Clouds and sun on Wednesday with a slight chance of a shower. The low will be in the mid 60s and the high will be in the mid 80s. Mostly sunny on Thursday with a low in the mid 60s and a high in the mid 80s. Mostly sunny on Friday with a low in the mid 60s and a high in the mid 80s.

Weather Summary

High pressure continues to dominate the weather map in the Middle Atlantic states. Both Friday and Saturday featured plenty of bright sunshine, blue skies, and warm temperatures along with comfortable levels of humidity. The center of high pressure will begin to move to our east on Sunday. This will result in a more southerly, and more humid, flow of air. The sky will be mostly sunny on Sunday with temperatures a few degrees warmer today as highs climb into the mid 80s. Meanwhile, low pressure will move across Pennsylvania on Sunday night and Monday. A cold front trailing the low will move from west to east across Baltimore and Washington, but will slow its pace on Monday and Tuesday. This will result in unsettled weather both days. Although we will see some sunshine on Monday and Tuesday, there is a good chance of showers and thundershowers from time to time.

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, 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.