Briar Lake Weather Forecast

    • 50
    • 76

    Becoming Sunny

    • 57
    • 80

    Mostly Sunny

    • 62
    • 85

    Mostly Sunny

    • 54
    • 84

    Chance Thunderstorms

    • 57
    • 83

    Chance Thunderstorms

    • 59
    • 83

    Slight Chance Thunderstorms

    • 56
    • 79

    Slight Chance Rain Showers

Today 4 Aug Polk

Not as warm. Partly sunny. Near steady temperature in the mid 70s. West Winds 5 to 10 Mph.

Tonight 4 Aug Polk

Mostly cloudy early in the evening then clearing. Lows in the lower 50s. West Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Briar Lake Temperature Statistics

August Temperature

Siren, Burnett County Airport (8.1 miles)

  • Lowest 2 August, 2026

    54.9 °F

  • Average August

    71 °F

  • Highest 2 August, 2026

    83.7 °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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