Old Mill State Park Weather Forecast

    • 63
    • 83

    Slight Chance Thunderstorms

    • 62
    • 83

    Rain Showers

    • 57
    • 81

    Breezy

    • 57
    • 81

    Partly Sunny

    • 60
    • 83

    Chance Rain Showers

    • 60
    • 83

    Slight Chance Rain Showers

Today 29 Aug West Marshall

Partly sunny. Highs in the mid 80s. South Winds up to 10 Mph.

Tonight 29 Aug West Marshall

Mostly cloudy. Lows 60 to 65. Southeast Winds around 10 Mph.

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  • Temperature Real-Time

Old Mill State Park Temperature Statistics

August Temperature

Thief River Falls, Thief River Falls Regional Airport (26.7 miles)

  • Lowest 19 August, 2026

    46 °F

  • Average August

    67 °F

  • Highest 2 August, 2026

    87.1 °F

Climate (2021–2026)

Thief River Falls, Thief River Falls Regional Airport (26.7 miles)

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  • Average Low 2021–2026

    32 °F

  • Average 2021–2026

    41.1 °F

  • Average High 2021–2026

    49.9 °F
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