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Washington DC weather for March 19: cloudy with a few showers

National Weather Service forecast map
National Weather Service forecast map
Map courtesy National Weather Service

Brian's exclusive forecast for Washington DC:

Today: Cloudy with occasional rain showers; areas of fog. The high will be 40 to 45.

Tonight: A few rain showers; areas of fog. The low will be around 40.

Thursday: Mostly sunny and breezy. Warmer with a high near 60.

Thursday Night: Mostly clear with a low around 40.

Friday: Mostly sunny with a high near 60.

The extended forecast calls for clouds and sun on Saturday with a slight chance of a rain shower. The low will be in the lower 40s and the high will be in the lower 60s. Breezy and colder with sunshine on Sunday. The low will be in the mid 30s and the high will be in the mid 40s. Mostly sunny and cold on Monday with a low in the upper 20s and the high will be in the lower 40s. A chance of rain and/or snow on Tuesday with a low in the upper 20s and a high in the upper 30s.

Weather Summary

High pressure over southern Canada continues to send a wedge of cold air down the eastern side of the Appalachian Mountains. Temperatures will hold steady in the mid to upper 30s through the morning hours. A warm front will move through the area from south to north later this afternoon, to then be followed by a cold front this evening. The frontal passage will result in widespread cloudiness as well as rain showers. Morning temperatures will be above freezing, so there is no concern about frozen precipitation. Clouds and showers will hold the mercury down in the lower to middle 40s during the day. Scattered rain showers will continue into the evening hours with some areas of fog developing. The air behind the front will be on a west wind, so highs on Thursday and Friday will surge well into the 50s to near 60 degrees. By Saturday, 60 degrees is not out of the question, but showers may accompany the mild air. The warm-up will be brief, as another wave of arctic air will be poised to move toward the northeast and Middle Atlantic states by Sunday and Monday with highs only in the 40s. Overnight lows will be in the 20s to lower 30s. A storm system may impact the Middle Atlantic region by Tuesday with a chance of rain and/or snow.

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.

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