In April, Oak Park typically sees daytime highs of 15.0°C and overnight lows around 3.8°C. Compared to the annual average high of 14.7°C, April runs +0.4°C.
April in Oak Park averages a daytime high of 15.0°C and an overnight low of 3.8°C.
April runs +0.4°C compared to Oak Park's annual average high of 14.7°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 15.0°C and cooler evenings around 3.8°C.