March in South Bend averages a daily high of 8.6°C with nights around -1.9°C. Expect roughly 12.4 wet days totalling 65mm. A hard month to visit for comfort alone.
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 March data.