In June, Waukegan typically sees daytime highs of 24.7°C and overnight lows around 14.0°C. Compared to the annual average high of 13.5°C, June runs +11.2°C.
June in Waukegan averages a daytime high of 24.7°C and an overnight low of 14.0°C.
June runs +11.2°C compared to Waukegan's annual average high of 13.5°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 24.7°C and cooler evenings around 14.0°C.