April in Elgin averages a daily high of 14.8°C with nights around 2.7°C. Expect roughly 12.6 wet days totalling 98.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Elgin is August–September.
Based on ELGIN WATER, IL US (2.9km), 1995–2024. 29 years of April data.