Island Lake Weather Forecast

    • 22
    • 44

    Mostly Sunny

    • 38
    • 56

    Partly Sunny

    • 38
    • 68

    Mostly Sunny

    • 56
    • 73

    Chance Rain

    • 49
    • 73

    Rain Likely

    • 34
    • 60

    Chance Rain

Today 19 Apr Washburn

Sunny. Highs in the lower 40s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 19 Apr Washburn

Mostly clear. Lows in the lower 20s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

April Temperature

Siren, Burnett County Airport (22.4 miles)

  • Lowest 7 April, 2026

    8.2 °F

  • Average April

    40.5 °F

  • Highest 12 April, 2026

    79.7 °F

Climate (2021–Present)

Siren, Burnett County Airport (22.4 miles)

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  • Average Low 2021–2026

    32.9 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    53.8 °F
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