In October, Green Bay typically sees daytime highs of 14.9°C and overnight lows around 3.4°C. Compared to the annual average high of 12.4°C, October runs +2.5°C.
October in Green Bay averages a daytime high of 14.9°C and an overnight low of 3.4°C.
October runs +2.5°C compared to Green Bay's annual average high of 12.4°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 14.9°C and cooler evenings around 3.4°C.