Big Butternut Lake Weather Forecast

    • 53
    • 76

    Becoming Sunny

    • 59
    • 81

    Mostly Sunny

    • 65
    • 82

    Mostly Sunny

    • 67
    • 93

    Chance Thunderstorms

    • 65
    • 90

    Slight Chance Thunderstorms

    • 63
    • 87

    Mostly Sunny

Today 22 Jul Polk

Mostly sunny. Highs in the mid 70s. Northwest Winds up to 5 Mph.

Tonight 22 Jul Polk

Clear. Lows in the lower 50s. Northwest Winds up to 5 Mph shifting to the south after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Butternut Lake Temperature Statistics

July Temperature

Siren, Burnett County Airport (17.4 miles)

  • Lowest 9 July, 2026

    54.7 °F

  • Average July

    75.1 °F

  • Highest 17 July, 2026

    94.3 °F

Climate (2021–2026)

Siren, Burnett County Airport (17.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    53.8 °F
Get WillyWeather+ to remove ads