What is the weather like in Madison in May?
The average high temperature in Madison in May is 70 degrees Fahrenheit (21 degrees Celsius) with an average low of 45 degrees Fahrenheit (7 degrees Celsius). However, record highs have soared near 90 (32) and lows near freezing, so don’t discount a potential adventure! As of mid-May, the lilacs are blooming and all looks lush and green. The high temperatures are regularly reaching 70 degrees Fahrenheit, and local gardeners seem to be betting that we’re past the danger of frost. A good website for current Madison-area forecasts and radar is http://www.channel3000.com/weather/.