In October, Hartford typically sees daytime highs of 17.6°C and overnight lows around 4.3°C. Compared to the annual average high of 15.7°C, October runs +1.9°C.
October in Hartford averages a daytime high of 17.6°C and an overnight low of 4.3°C.
October runs +1.9°C compared to Hartford's annual average high of 15.7°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 17.6°C and cooler evenings around 4.3°C.