Ortonville Municipal-Martinson Field Weather Forecast

    • 71
    • 90

    Thunderstorms Likely

    • 65
    • 80

    Rain Showers Likely

    • 64
    • 81

    Mostly Sunny

    • 67
    • 85

    Partly Sunny

    • 69
    • 88

    Partly Sunny

    • 68
    • 89

    Chance Thunderstorms

Today 22 Jul Big Stone

Thunderstorms likely early this Morning, then partly sunny with a slight chance of Thunderstorms this afternoon. Warmer with Highs around 90. Southeast Winds 15 to 20 Mph. Chance of rain 70 percent. Heat index Values up to 101 this afternoon.

Tonight 22 Jul Big Stone

Partly cloudy with a chance of Thunderstorms in the Evening, then mostly cloudy with Thunderstorms likely after midnight. Humid with Lows in the lower 70s. Southeast Winds 10 to 15 Mph. Chance of rain 70 percent. Heat index Values up to 100 early in the evening.

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Ortonville Municipal-Martinson Field Temperature Statistics

July Temperature

Ortonville, Ortonville Muncipal-Martinson Field Airport (0 miles)

  • Lowest 17 July, 2025

    53.6 °F

  • Average July

    71.9 °F

  • Highest 3 July, 2025

    89.6 °F

Climate (2020–Present)

Ortonville, Ortonville Muncipal-Martinson Field Airport (0 miles)

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  • Average Low 2020–2025

    35.7 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    54.9 °F
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