Grand Forks International Airport Weather Forecast

    • 54
    • 70

    Rain Showers

    • 55
    • 70

    Mostly Cloudy

    • 55
    • 71

    Rain Showers Likely

    • 51
    • 72

    Slight Chance Rain Showers

    • 48
    • 72

    Rain Showers Likely

    • 45
    • 68

    Rain Showers Likely

Today 23 Sep Grand Forks

Mostly cloudy with a 20 percent chance of Showers. Highs 65 to 70. Breezy. South Winds around 20 Mph.

Tonight 23 Sep Grand Forks

Showers and a slight chance of Thunderstorms. Lows in the mid 50s. Breezy. South Winds 15 to 25 Mph. Chance of rain near 100 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 16 September, 2026

    36.6 °F

  • Average September

    63.4 °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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