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    Summer temperatures · Wisconsin

    How hot does Madison get in summer?

    Madison right now

    35°FClear skies

    • Today41°F / 32°FClear skies
    • Tomorrow45°F / 28°FClear skies
    • Monday48°F / 32°FClear skies
    Cold enough to see your breath, for free.

    Live from OpenWeatherMap. Alerts from the National Weather Service.

    In a typical summer, June to August, Madison averages highs around 80°F and lows around 60°F.

    About 9 days a year reach 90°F or hotter, and a day at 100°F comes along less than once a year. About 69 days a year get to 80°F or warmer. That makes it the 30th coolest summer of the 129 US cities we track.

    Last updated

    The hottest high in the forecast for the next 48 hours is about 45°F.

    Madison averages summer highs around 80°F, so the lakes and the lakeside terrace chairs do a roaring trade from June to August.

    Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.

    Summer at a glance

    Average summer high80°F
    Average summer low60°F
    Days a year at 80°F or warmer69
    Days a year at 90°F or hotter9
    Days a year at 100°F or hotterfewer than one
    Average winter high, for comparison30°F

    Summer here is June to August. Counts are averages a year.

    Cities with about the same summer

    Every city’s summer, hottest first

    More about the weather here

    Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00014837.