March in Chattanooga averages a daily high of 14.6°C with nights around 4°C. Expect roughly 11.4 wet days totalling 141.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Chattanooga is April–June.
Based on LOOKOUT MTN POINT PARK, TN US (5.1km), 1995–2024. 26 years of March data.