In August, Milwaukee typically sees daytime highs of 25.9°C and overnight lows around 16.0°C. Compared to the annual average high of 12.6°C, August runs +13.3°C.
August in Milwaukee averages a daytime high of 25.9°C and an overnight low of 16.0°C.
August runs +13.3°C compared to Milwaukee's annual average high of 12.6°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 25.9°C and cooler evenings around 16.0°C.