A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 7 mph. Chance of precipitation is 50%. Webannapolis 14 day extended forecast. See more current weather. Webdangerous heat will continue across the southwest u. s. And southern california into early next week. Excessive heat warnings and heat advisories remain in effect. Webannapolis, md weather forecast, with current conditions, wind, air quality, and what to expect for the next 3 days. Mostly clear, with a low around 43. West southwest wind between 3 and 5 mph. Sunny, with a high near 67. Light wind becoming south between 10 and.