In August, Madison typically sees daytime highs of 26.9°C and overnight lows around 14.7°C. Compared to the annual average high of 13.2°C, August runs +13.6°C.
August in Madison averages a daytime high of 26.9°C and an overnight low of 14.7°C.
August runs +13.6°C compared to Madison's annual average high of 13.2°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 26.9°C and cooler evenings around 14.7°C.