Thief Lake Weather Forecast

    • 54
    • 81

    Increasing Clouds

    • 60
    • 75

    Partly Sunny

    • 60
    • 78

    Partly Sunny

    • 61
    • 77

    Partly Sunny

    • 59
    • 79

    Partly Sunny

    • 54
    • 74

    Chance Rain Showers

    • 48
    • 66

    Slight Chance Rain Showers

Today 28 Sep East Marshall

Sunny. Highs 80 to 85. South Winds around 15 Mph.

Tonight 28 Sep East Marshall

Partly cloudy. Lows in the mid 50s. South Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thief Lake Temperature Statistics

September Temperature

Roseau, Roseau Municipal Airport/Rudy Billberg Field (26.1 miles)

  • Lowest 7 September, 2025

    33.8 °F

  • Average September

    53.5 °F

  • Highest 1 September, 2025

    78.8 °F

Climate (2020–Present)

Roseau, Roseau Municipal Airport/Rudy Billberg Field (26.1 miles)

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  • Average Low 2020–2025

    32 °F

  • Average 2020–2025

    41.8 °F

  • Average High 2020–2025

    51.1 °F
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