In October, Port Arthur typically sees daytime highs of 26.0°C and overnight lows around 16.2°C. Compared to the annual average high of 24.3°C, October runs +1.7°C.
October in Port Arthur averages a daytime high of 26.0°C and an overnight low of 16.2°C.
October runs +1.7°C compared to Port Arthur's annual average high of 24.3°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 26.0°C and cooler evenings around 16.2°C.