In June, Lake Forest typically sees daytime highs of 24.9°C and overnight lows around 12.9°C. Compared to the annual average high of 23.2°C, June runs +1.7°C.
June in Lake Forest averages a daytime high of 24.9°C and an overnight low of 12.9°C.
June runs +1.7°C compared to Lake Forest's annual average high of 23.2°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 24.9°C and cooler evenings around 12.9°C.