Know what's coming with AccuWeather's extended daily forecasts for Demopolis, AL. Over the course of the year, the temperature typically varies from 37°F to 94°F and is rarely below 23°F or above 100°F. 001023: Perry: 001105: Clarke: 001025: Sumter: 001119 In Demopolis, there are 3 comfortable months with high temperatures in the range of 70-85°. Through this Weekend. A major storm system will bring heavy snow to parts of … Demopolis is the largest city in Marengo County, Alabama, in southwest Alabama.The population was 7,483 at the time of the 2010 United States Census.. Weather forecast, weather radar, 5-day forecast, 7-day forecast, 10-day forecast and natural disaster alerts of Demopolis, AL. Latest weather News: Greensboro Weather Forecast For The Week Ahead Monthly averages Demopolis Longitude: -87.8364, Latitude: 32.5176 Average weather Demopolis, AL - 36732. Station Data. July is the hottest month for Demopolis with an average high temperature of 91.7°, which ranks it as one of the hottest places in Alabama. Demopolis 5 day forecast with weather outlook providing day and night summary including precipitation, high and low temperatures presented in Fahrenheit and Celsius, sky conditions, rain chance, sunrise, sunset, wind chill, and wind speed with direction. Weather in Demopolis, Alabama. Watches/Warnings Broadcast for the Following Counties: County: SAME Code: County: SAME Code: Choctaw. In Demopolis, the summers are hot and oppressive, the winters are short and cold, and it is wet and partly cloudy year round. Demopolis Weather. The city lies at the confluence of the Black Warrior River and Tombigbee River.It is situated atop a cliff composed of the Demopolis Chalk Formation, known locally as White Bluff, on the east bank of the Tombigbee. Find the most current and reliable 7 day weather forecasts, storm alerts, reports and information for [city] with The Weather Network. Demopolis AL 5 Day Weather Forecast from LocalConditions.com. Up to 90 days of daily highs, lows, and precipitation chances. Major Storm to Bring Heavy Snow and Severe Thunderstorms to the Central U.S. Plan you week with the help of our 10-day weather forecasts and weekend weather predictions for Demopolis, Alabama Average Weather in Demopolis Alabama, United States. The most pleasant months of the year for Demopolis are October, April and May. Hour by hour weather updates and local hourly weather forecasts for Demopolis, Alabama including, temperature, precipitation, dew point, humidity and wind Monthly: 1981-2010 normals History: 2007-2019