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Chesapeake Bay weather for February 23: sunny and mild Sunday

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

Brian's exclusive forecast for Baltimore, Annapolis, and northern Delmarva:

Today: Mostly sunny and pleasant with a high in the mid to upper 50s, except a bit cooler near the bay shore.

Tonight: Variable cloudiness with scattered rain and/or snow showers. No snow accumulation. The low will be in the mid to upper 30s.

Monday: Morning rain or snow shower possible, then gradual clearing with a high in the mid 40s.

Monday Night: Mostly clear with a low in the lower 30s.

Tuesday: Morning sunshine giving way to afternoon cloudiness. The high will be near 40.

The extended forecast calls for a chance of light snow on Wednesday with a low around 30 and a high in the upper 30s. Mostly sunny on Thursday with a low in the upper 20s and a high in the upper 30s. Mostly sunny on Friday with a low in the upper 20s and a high in the upper 30s. Clouds and sun on Saturday with a low in the upper 20s and a high near 40.

Afternoon temperatures are in the 50s across central Maryland with a few inland spots a bit warmer, and a few spots along the bay a bit cooler. High pressure is providing the region with another fabulous February afternoon. The center of high pressure will gradually shift east as we move into the evening hours. Meanwhile, a weak cold front will move through the area later tonight and into Monday morning. Very light precipitation associated with the front may fall in the form of rain and/or snow showers, but temperatures will be above freezing and no accumulation of snow is anticipated. High pressure will re-build over the Middle Atlantic states on Monday and Tuesday with sunshine and temperatures below average but seasonable. Highs each day will reach the upper 30s to near 40. Computer forecast models are in disagreement about a mid-week system that may form an area of low pressure near the North Carolina coast on Tuesday night into Wednesday. Should the low form as expected, an area of light snow will overspread southeast Virginia into central Maryland with the potential for a light accumulation. Thereafter, our weather will be calm but cold with highs only in the 30s on Thursday and Friday. Overnight lows will dip into the 20s.

On the Maryland portion of Chesapeake Bay, a Small Craft Advisory is in effect from midnight tonight through Monday afternoon. Winds tonight will come out of the northwest at 10 to 15 knots with gusts over 20 and waves from 1 to 3 feet. Visibility may be reduced in rain, snow, and fog. Winds on Monday will come out of the northwest at 10 to 15 knots with gusts over 20 and waves from 1 to 2 feet. Winds on Monday night will come out of the northwest at 10 to 15 knots with gusts over 20 and waves from 1 to 3 feet. Winds on Tuesday will come out of the west at 10 knots with waves around one foot. Marine information is provided as general guidance. Boaters should always stay tuned to the latest forecasts and advisories from the National Weather Service.

The average high temperature for February 23 is 47 degrees and the average low is 28 degrees. The records at Baltimore on this date are 78 degrees in 1874 and 5 degrees in 1963. Today's sunrise will occur at 6:48 and the sunset will occur at 5:52. Weather data courtesy of the National Weather Service. For more weather updates, please visit 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.