Grand Forks International Airport Weather Forecast

    • 47
    • 69

    Mostly Cloudy

    • 48
    • 71

    Mostly Cloudy

    • 47
    • 71

    Mostly Cloudy

    • 46
    • 70

    Mostly Cloudy

    • 44
    • 70

    Partly Sunny

    • 48
    • 71

    Partly Sunny

Today 17 Sep Grand Forks

Mostly sunny. Highs in the mid 60s. Northeast Winds 5 to 15 Mph.

Tonight 17 Sep Grand Forks

Mostly cloudy. Lows in the mid 40s. East Winds up to 10 Mph.

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Grand Forks International Airport Temperature Statistics

September Temperature

Grand Forks, Grand Forks International Airport (0 miles)

  • Lowest 13 September, 2026

    41 °F

  • Average September

    65.8 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Grand Forks, Grand Forks International Airport (0 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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