Briar Lake Weather Forecast

    • 47
    • 60

    Clearing Late

    • 41
    • 65

    Mostly Cloudy

    • 38
    • 66

    Mostly Cloudy

    • 39
    • 67

    Mostly Sunny

    • 42
    • 69

    Partly Sunny

    • 45
    • 70

    Partly Sunny

Today 19 Sep Polk

Cloudy. Chance of drizzle early in the Morning, then slight chance of drizzle in the late morning and afternoon. Near steady temperature in the upper 50s. East Winds 5 to 10 Mph.

Tonight 19 Sep Polk

Mostly cloudy. Lows in the upper 40s. Northeast Winds up to 10 Mph.

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  • Temperature Real-Time

Briar Lake Temperature Statistics

September Temperature

Siren, Burnett County Airport (8.1 miles)

  • Lowest 14 September, 2026

    35.6 °F

  • Average September

    65.9 °F

  • Highest 3 September, 2026

    88.2 °F

Climate (2021–2026)

Siren, Burnett County Airport (8.1 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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