Grass Lake Weather Forecast

    • 44
    • 68

    Chance Rain Showers

    • 43
    • 68

    Partly Sunny

    • 51
    • 68

    Rain Showers Likely

    • 49
    • 69

    Rain Showers

    • 43
    • 61

    Slight Chance Rain Showers

    • 42
    • 63

    Slight Chance Rain Showers

Today 24 Apr Dane

Cooler. Cloudy with chance of light rain Showers and slight chance of Thunderstorms in the Morning, then partly sunny with chance of light rain Showers in the late morning and early afternoon. Sunny late in the afternoon. Highs in the upper 60s. West Winds 5 to 15 Mph. Chance of precipitation 50 percent.

Tonight 24 Apr Dane

Mostly cloudy. Rain Showers and chance of Thunderstorms after Midnight, then chance of light rain Showers early in the morning. Lows in the upper 50s. Southwest Winds 5 to 15 Mph. Chance of precipitation 80 percent.

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  • Temperature Real-Time

Grass Lake Temperature Statistics

April Temperature

Madison, Dane County Regional-Truax Field (17.4 miles)

  • Lowest 7 April, 2026

    21.7 °F

  • Average April

    49.3 °F

  • Highest 14 April, 2026

    78.7 °F

Climate (2021–Present)

Madison, Dane County Regional-Truax Field (17.4 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    59.1 °F
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