Big Butternut Lake Weather Forecast

    • 24
    • 42

    Mostly Sunny

    • 39
    • 54

    Partly Sunny

    • 41
    • 67

    Sunny

    • 56
    • 71

    Partly Sunny

    • 47
    • 71

    Rain Showers Likely

    • 34
    • 57

    Chance Rain Showers

Today 19 Apr Polk

Sunny. Highs in the lower 40s. Northwest Winds 5 to 10 Mph.

Tonight 19 Apr Polk

Clear. Lows in the mid 20s. Northwest Winds up to 10 Mph shifting to the east after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Butternut Lake Temperature Statistics

April Temperature

Siren, Burnett County Airport (17.4 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 (17.4 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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