Thompson Weather Forecast

    • 45
    • 67

    Becoming Sunny

    • 51
    • 68

    Rain Showers

    • 52
    • 70

    Mostly Cloudy

    • 56
    • 71

    Mostly Cloudy

    • 51
    • 71

    Chance Rain Showers

    • 47
    • 69

    Partly Sunny

Today 22 Sep Grand Forks

Sunny. Highs in the mid 60s. South Winds 10 to 20 Mph.

Tonight 22 Sep Grand Forks

Mostly clear. Lows in the mid 40s. Southeast Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thompson Temperature Statistics

September Temperature

Grand Forks, Grand Forks International Airport (12.4 miles)

  • Lowest 16 September, 2026

    36.6 °F

  • Average September

    64.2 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Grand Forks, Grand Forks International Airport (12.4 miles)

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  • Average Low 2021–2026

    31.9 °F

  • Average 2021–2026

    42.8 °F

  • Average High 2021–2026

    53.3 °F
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