Know what's coming with AccuWeather's extended daily forecasts for Lithonia, GA. Up to 90 days of daily highs, lows, and precipitation chances. 65° 45° 30. In Lithonia, there are 4 comfortable months with high temperatures in the range of 70-85°. Air quality and pollution levels measured in a particular area may not be representative of the entire county. 27. Find the most current and reliable 7 day weather forecasts, storm alerts, reports and information for [city] with The Weather Network. July is the hottest month for Lithonia with an average high temperature of 89.4°, which ranks it as cooler than most places in Georgia. View. Find the most current and reliable weekend weather forecasts, storm alerts, reports and information for Lithonia, GA, US with The Weather Network. 57° 29° 28. The most pleasant months of the year for Lithonia are May, September and April. A strong storm in the Gulf of Alaska will bring high winds to the south-central coast and panhandle through Monday. Rain? Weather in Lithonia, Georgia. Check out our current live radar and weather forecasts for Lithonia, Georgia to help plan your day The most pleasant months of the year for Lithonia are May, September and April. Interactive weather map allows you to pan and zoom to get unmatched weather details in your local neighborhood or half a world away from The Weather Channel and Weather.com ... Lithonia, GA … Plan you week with the help of our 10-day weather forecasts and weekend weather predictions for Lithonia, Georgia Source: The Lithonia, GA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). NOAA National Weather Service National Weather Service. Lithonia Weather Forecasts. Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Snow? Feb Sun mon tue wed thu fri sat. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Lithonia area. Track storms, and stay in-the-know and prepared for what's coming. Monthly Weather-Lithonia, GA. As of 6:20 am EST. Easy to use weather radar at your fingertips! 58° 37° 29. Dec. Calendar Month Picker. July is the hottest month for Lithonia with an average high temperature of 89.4°, which ranks it as cooler than most places in Georgia. Ice? In Lithonia, there are 4 comfortable months with high temperatures in the range of 70-85°. Calendar Year Picker. Gulf of Alaska Storm; High Winds and Fire Weather in California. Want to know what the weather is now?