Lake Mendota Weather Forecast

    • 69
    • 92

    Sunny

    • 70
    • 96

    Mostly Sunny

    • 70
    • 95

    Mostly Sunny

    • 70
    • 93

    Mostly Sunny

    • 71
    • 91

    Slight Chance Thunderstorms

    • 65
    • 88

    Slight Chance Thunderstorms

    • 63
    • 84

    Mostly Sunny

Today 13 Jul Dane

Sunny. West Winds 5 to 10 Mph.

Tonight 13 Jul Dane

Clear. Lows in the upper 60s. West Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Mendota Temperature Statistics

July Temperature

Madison, Dane County Regional-Truax Field (4.3 miles)

  • Lowest 7 July, 2026

    58.6 °F

  • Average July

    75.8 °F

  • Highest 1 July, 2026

    91.7 °F

Climate (2021–2026)

Madison, Dane County Regional-Truax Field (4.3 miles)

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  • Average Low 2021–2026

    39.9 °F

  • Average 2021–2026

    49.7 °F

  • Average High 2021–2026

    59.1 °F
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