Brian's exclusive forecast for Annapolis: Mostly cloudy this morning with scattered rain showers, then clearing this afternoon. A high of 85 degrees is expected. Clearing overnight with a low in the mid 60s. Mostly sunny on Friday with a high near 85. The outlook for Saturday calls for a mostly sunny sky with a high around 85 degrees.
High pressure near the Great Lakes region will move southeast and build over Chesapeake Bay later this afternoon. Until then, considerable morning cloudiness and scattered rain showers can be expected with low pressure near southeast Virginia. At 8 a.m., temperatures around the bay are in the low 70s with a light northeast wind. There is some clearing to the west of Washington, and by afternoon many locations will be mostly sunny. Although drier air will be overspreading the region today, it will still be warm with highs in the mid 80s. Under high pressure and with light winds, temperatures will drop into the 60s by Friday morning. Friday looks to be another pleasant summer day with highs in the mid 80s and with comfortable levels of humidity. By Saturday, the center of high pressure will move to our east and a return flow of more humid air will return for the weekend.
On the Maryland portion of Chesapeake Bay, there are no advisories currently in effect. Winds today will come out of the northeast at 10 to 15 knots with waves 1 to 2 feet. Tonight, winds will shift to the east at less than 10 knots with waves less than one foot. Marine weather information is provided only as a guide. Boaters should always stay tuned to the latest forecasts and advisories from the National Weather Service.
The average high temperature for August 29 is 83 degrees and the average low is 63. The records at Baltimore on this date are 100 degrees in 1953 and 47 degrees in 1986. 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.