In October, Chattanooga typically sees daytime highs of 21.3°C and overnight lows around 8.1°C. Compared to the annual average high of 20.2°C, October runs +1.1°C.
October in Chattanooga averages a daytime high of 21.3°C and an overnight low of 8.1°C.
October runs +1.1°C compared to Chattanooga's annual average high of 20.2°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 21.3°C and cooler evenings around 8.1°C.