Grass Island Weather Forecast

    • 35
    • 67

    Severe Tstms

    • 34
    • 54

    Mostly Sunny

    • 45
    • 64

    Chance Rain Showers

    • 37
    • 59

    Chance Rain Showers

    • 38
    • 58

    Mostly Sunny

    • 43
    • 64

    Mostly Sunny

Today 28 Apr Mille Lacs

Warmer, Thunderstorms. Some Thunderstorms may be severe in the afternoon. Highs 66 to 72. South Winds 10 to 20 Mph. Chance of Thunderstorms near 100 percent.

Tonight 28 Apr Mille Lacs

Cloudy. A 50 percent chance of Thunderstorms early in the morning. Lows in the lower 50s. Southeast Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Island Temperature Statistics

April Temperature

Brainerd - Crow Wing County Airport (23.6 miles)

  • Lowest 8 April, 2025

    14.8 °F

  • Average April

    41.6 °F

  • Highest 13 April, 2025

    66.7 °F

Climate (2020–Present)

Brainerd - Crow Wing County Airport (23.6 miles)

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  • Average Low 2020–2025

    34.6 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    54.5 °F
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