October in Basel averages a daily high of 16.1°C with nights around 7.9°C. Expect roughly 12.5 wet days totalling 72.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Basel is June–September.
Based on BASEL BINNINGEN, SZ (2.9km), 1995–2024. 30 years of October data.