Webannapolis 14 day extended forecast. See more current weather. 78 °f (at 3:54 pm) minimum temperature yesterday: 66 °f (at 6:54 am) average temperature yesterday: Webannapolis plans to raise the city dock six feet to prevent flooding in the future. Construction will begin later this year, according to buckley. Webannapolis, md weather forecast, with current conditions, wind, air quality, and what to expect for the next 3 days. Webwest wind 5 to 7 mph. Chance of precipitation is 50%. A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 67.