In April, Evanston typically sees daytime highs of 11.9°C and overnight lows around 3.6°C. Compared to the annual average high of 13.3°C, April runs -1.4°C.
April in Evanston averages a daytime high of 11.9°C and an overnight low of 3.6°C.
April runs -1.4°C compared to Evanston's annual average high of 13.3°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 11.9°C and cooler evenings around 3.6°C.