In October, Oshkosh typically sees daytime highs of 15.5°C and overnight lows around 4.1°C. Compared to the annual average high of 12.8°C, October runs +2.7°C.
October in Oshkosh averages a daytime high of 15.5°C and an overnight low of 4.1°C.
October runs +2.7°C compared to Oshkosh's annual average high of 12.8°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 15.5°C and cooler evenings around 4.1°C.