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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Civic Maple Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Based on the live forecast above, Knoxville weather today is typical for its humid subtropical climate. Year-round, expect mild winters and hot, humid summers, with rainfall spread fairly evenly across the months.
What is the weather like in Knoxville year round?
Knoxville weather year round follows four distinct seasons. Summers are hot and sticky, with July highs averaging 33°C (about 91°F). Winters are cool but not bitter, with January lows around -1°C (30°F). Spring and autumn bring mild temperatures, though severe storms and tornadoes are possible in spring. The city gets roughly 1,320 mm of precipitation annually, so be ready for rain any time. If you prefer moderate conditions, late April to early June or September to October are the most comfortable periods.
How to check the radar and short-term forecasts
For real-time tracking, check a Knoxville weather radar to see incoming rain or storms. If you need a 14-day outlook, a knoxville weather 14 day forecast gives a general trend but accuracy drops after 7 days. For the next two days, the weather in knoxville tomorrow and weather in knoxville tn 10 days are best viewed from the live forecast above. Because Knoxville sits in a valley, local conditions can vary quickly — radar and short-term updates are your most reliable tools.
Does Knoxville get snow?
Yes, but not much. Knoxville averages about 15 cm of snow per year, mostly in January and February. Heavy snowfalls are rare, and accumulations usually melt within a day or two.
What is the hottest month?
July is the hottest, with average daily highs of 33°C (91°F). August is nearly as hot. Combined with humidity, it feels like 38–40°C most afternoons. Air conditioning is standard almost everywhere.
Is there a tornado risk?
Yes, Tennessee is part of the Dixie Alley tornado region. The highest risk is March through May. Storms can develop quickly; keep an eye on a Knoxville weather radar during alerts.
Sources
For broader conditions across the country, visit our Canada weather hub or check the 10-day forecast page for other cities.