Webknow what's coming with accuweather's extended daily forecasts for annapolis, md. Up to 90 days of daily highs, lows, and precipitation chances. Weba slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 86. West wind 5 to 7 mph. Chance of precipitation is 50%. Webannapolis 14 day extended forecast. See more current weather. Clear, with a low around 53. Northwest wind around 11 mph, with gusts as high as 25 mph. Sunny, with a high near 74. Northwest wind 9 to.