October in Dundalk averages a daily high of 20.6°C with nights around 12°C. Expect roughly 8.2 wet days totalling 89.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Dundalk is April–May.
Based on MARYLAND SCIENCE CENTER, MD US (8.5km), 1995–2024. 24 years of October data.