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Washington DC weather: chilly tonight then milder with clouds on Friday

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Brian's exclusive forecast for Washington DC:

Tonight: Clear and chilly with a low in the upper 30s.

Friday: Clouds and sun with a high in the upper 50s.

Friday Night: Mostly cloudy with a low in the mid to upper 40s.

Saturday: Clouds early giving way to sunshine with a high in the lower to middle 60s.

The extended forecast calls for a mostly sunny sky on Sunday with a low in the upper 40s to lower 50s and a high in the mid to upper 60s. Clouds and sun on Monday with a low around 50 and a high in the mid to upper 60s. Clouds and sun on Tuesday with scattered rain showers. The low will be in the lower 50s and the high will be in the lower 70s. Mostly sunny on Wednesday with a low in the lower 50s and a high in the mid 60s.

Weather Summary

Weak high pressure will continue to influence our weather overnight and early Friday. With a clear sky and near-calm winds, temperatures will drop into the mid 30s to lower 40s by morning. The area of high pressure will begin to weaken during the day on Friday, and clouds will overspread the region during the afternoon hours as a cold front approaches from the west. An isolated rain shower is possible, but most locations will remain dry through the afternoon and evening hours. Temperatures will begin to moderate on Friday as a southerly flow develops ahead of the front. High pressure will once again build over the Middle Atlantic region on Saturday and Sunday with seasonable temperatures. Lows each morning will be in the 40s and highs each day will reach the mid to upper 60s. Looking ahead to next week, a weak system will likely bring more clouds and rain showers to the area on Monday and Tuesday.

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.