Weather Weather in the Smokies is forever changing. Below is a short guide to our local weather. Winter: Days during this unpredictable season can be sunny and in the 70s or snowy with highs in the 20s. In the low elevations, snows of one inch or more may take place one to five times per season with significant buildup in the high country. The chart below shows our average seasonal temperatures on a monthly basis. Spring: During March we experience the most variable weather patterns. It can snow or rain on any day, especially at higher elevations. During the month of April, the weather becomes milder, with daytime temperatures ranging from the 70s to low 40s at night. Temperatures during May can climb into the 80s or dip into the 30s. Summer: By the middle of June, heat, haze and humidity are the norm. Normal temperatures are in the upper 80s during the day and 50s at night. Fall: September generally brings a pattern of warm, sunny days and crisp, clear nights. However, cool rainy days do crop up, as well. Dustings of snow may fall in the higher elevations during the month of November.