Brian's exclusive forecast for Annapolis: Areas of fog this morning, then mostly cloudy with a slight chance of afternoon showers. Warm with a high in the low to mid 70s. Clouds and scattered showers overnight with clearing late from west to east. The low will be in the upper 50s. On Friday, the sky will become mostly sunny with a high in the upper 60s. Northwest wind around 10. The extended forecast calls for clouds and sun with scattered showers on Saturday. The low will be in the low 50s and the high will be in the upper 60s. Becoming mostly sunny and cooler on Sunday with lows in the low 50s and highs in the upper 50s to lower 60s. On Monday, a chilly morning gives way to a sunny afternoon. The low will be in the upper 30s to lower 40s and the high will be in the upper 50s to lower 60s.
Some locations are experiencing dense fog this morning. Meanwhile, a cold front is moving over the mountains and will slowly approach the bay region from the west. The front will produce considerable cloudiness and scattered rain showers through this evening. Due to a southerly flow ahead of the frontal system, temperatures will be warm today with afternoon readings in the low to mid 70s. With the front to our east on Friday, the wind will shift to the northwest and cooler and drier air will spread over the region. Highs on Friday will reach the upper 60s. A secondary cold front may produce clouds and a few showers Saturday afternoon and evening. Behind the front, the coolest air of the autumn season arrives on Sunday and Monday.
On the Maryland portion of Chesapeake Bay, a small craft advisory is in effect from late tonight through Friday. Winds today will come out of the south/southwest at 10 knots with waves around 1 foot. Winds tonight will come out of the southwest, but then shift to the northwest at 10 to 15 with gusts over 25. Waves will be to 1 to 3 feet. Winds on Friday will come out of the northwest at 10 to 15 with gusts over 20 and waves from 1 to 3 feet. Boaters should prepare for reduced visibilities due to fog and light showers on Thursday morning. 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 October 17 is 66 degrees and the average low is 45 degrees. The records at Baltimore on this date are 90 degrees in 1938 and 33 degrees in 1982. 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.