In October, Gary typically sees daytime highs of 17.4°C and overnight lows around 7.2°C. Compared to the annual average high of 14.8°C, October runs +2.6°C.
October in Gary averages a daytime high of 17.4°C and an overnight low of 7.2°C.
October runs +2.6°C compared to Gary's annual average high of 14.8°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 17.4°C and cooler evenings around 7.2°C.