In October, Bismarck typically sees daytime highs of 15.0°C and overnight lows around 0.1°C. Compared to the annual average high of 11.9°C, October runs +3.1°C.
October in Bismarck averages a daytime high of 15.0°C and an overnight low of 0.1°C.
October runs +3.1°C compared to Bismarck's annual average high of 11.9°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 15.0°C and cooler evenings around 0.1°C.