Crystal Lake Weather Forecast

    • 57
    • 74

    Mostly Cloudy

    • 56
    • 69

    Rain Showers

    • 49
    • 73

    Chance Rain Showers

    • 36
    • 65

    Mostly Sunny

    • 38
    • 64

    Partly Sunny

    • 39
    • 64

    Mostly Cloudy

    • 33
    • 60

    Partly Sunny

Today 28 Sep Burnett

Mostly cloudy. Highs in the mid 70s. South Winds 5 to 10 Mph.

Tonight 28 Sep Burnett

Mostly cloudy. Lows in the upper 50s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Crystal Lake Temperature Statistics

September Temperature

Siren, Burnett County Airport (9.3 miles)

  • Lowest 23 September, 2026

    34 °F

  • Average September

    62 °F

  • Highest 3 September, 2026

    88.2 °F

Climate (2021–2026)

Siren, Burnett County Airport (9.3 miles)

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  • Average Low 2021–2026

    33.1 °F

  • Average 2021–2026

    44.1 °F

  • Average High 2021–2026

    53.9 °F
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