Weather for Gar-Mar School, TN - Gar-Mar School, TN Weather, Current Weather in Gar-Mar School, TN. Local weather report for Gar-Mar School, TN, Local Gar-Mar School, TN weather. Forecast for Gar-Mar School, Tennessee, Gar-Mar School, TN weather forecast. Find your local Gar-Mar School weather forecast. Gar-Mar School, TN weather conditions.