October in South Bend averages a daily high of 17.1°C with nights around 6.4°C. Expect roughly 12 wet days totalling 94.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit South Bend is June–September.
Based on SOUTH BEND AIRPORT, IN US (6.1km), 1995–2024. 30 years of October data.