Grand Forks International Airport Weather Forecast

    • 54
    • 77

    Slight Chance Rain Showers

    • 48
    • 72

    Mostly Sunny

    • 58
    • 82

    Mostly Sunny

    • 48
    • 77

    Partly Sunny

    • 43
    • 65

    Mostly Cloudy

    • 43
    • 63

    Mostly Cloudy

Today 8 Sep Grand Forks

Mostly sunny. Highs in the mid 70s. Windy. Southwest Winds around 15 Mph increasing to west around 25 Mph this afternoon. Gusts up to 40 Mph.

Tonight 8 Sep Grand Forks

Partly cloudy. A slight chance of Showers after midnight. Lows in the mid 50s. Breezy. West Winds 15 to 25 Mph with Gusts to around 35 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • 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

    49.6 °F

  • Average September

    69.1 °F

  • Highest 5 September, 2026

    84 °F

Climate (2021–2026)

Grand Forks, Grand Forks International Airport (0 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    31.9 °F

  • Average 2021–2026

    42.8 °F

  • Average High 2021–2026

    53.3 °F
Get WillyWeather+ to remove ads