Grand Forks International Airport Weather Forecast

    • 65
    • 85

    Chance Thunderstorms

    • 65
    • 83

    Rain Showers Likely

    • 67
    • 81

    Rain Showers

    • 57
    • 81

    Partly Sunny

    • 49
    • 73

    Breezy

    • 52
    • 74

    Partly Sunny

Today 5 Sep Grand Forks

Mostly sunny. A chance of Showers and a slight chance of Thunderstorms in the Morning, then a slight chance of Showers in the afternoon. Highs in the mid 80s. Southeast Winds 5 to 15 Mph. Chance of rain 50 percent.

Tonight 5 Sep Grand Forks

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows 55 to 60. Southeast Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Forks International Airport Temperature Statistics

September Temperature

Grand Forks, Grand Forks International Airport (0 miles)

  • Lowest 2 September, 2026

    50 °F

  • Average September

    67.1 °F

  • Highest 1 September, 2026

    80.7 °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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