Ortonville Weather Forecast

    • 8
    • 23

    Mostly Sunny

    • 24
    • 33

    Partly Sunny

    • 20
    • 38

    Mostly Cloudy

    • 19
    • 28

    Mostly Cloudy

    • 30
    • 40

    Mostly Cloudy

    • 25
    • 43

    Partly Sunny

Today 20 Dec Big Stone

Mostly sunny. Patchy blowing snow in the afternoon. Highs in the mid 20s. Temperature falling to around 18 in the afternoon. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 20 Dec Big Stone

Mostly cloudy with a 20 percent chance of snow. Not as cold with Lows around 16. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Ortonville Temperature Statistics

December Temperature

Ortonville, Ortonville Muncipal-Martinson Field Airport (0.6 miles)

  • Lowest 4 December, 2025

    -11.2 °F

  • Average December

    15.4 °F

  • Highest 16 December, 2025

    51.8 °F

Climate (2020–Present)

Ortonville, Ortonville Muncipal-Martinson Field Airport (0.6 miles)

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  • Average Low 2020–2025

    36 °F

  • Average 2020–2025

    45.4 °F

  • Average High 2020–2025

    55.1 °F
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