Big Stone Lake Weather Forecast

    • 50
    • 68

    Increasing Clouds

    • 46
    • 65

    Mostly Sunny

    • 46
    • 67

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

    • 57
    • 76

    Partly Sunny

Today 23 Aug Big Stone

Partly sunny. Not as warm with Highs in the upper 60s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 23 Aug Big Stone

Mostly clear. Near steady temperature in the upper 50s. Northwest Winds 10 to 15 Mph.

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Big Stone Lake Temperature Statistics

August Temperature

Ortonville, Ortonville Muncipal-Martinson Field Airport (11.2 miles)

  • Lowest 2 August, 2025

    55.4 °F

  • Average August

    71.2 °F

  • Highest 6 August, 2025

    84.2 °F

Climate (2020–Present)

Ortonville, Ortonville Muncipal-Martinson Field Airport (11.2 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    54.9 °F
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