Grand Forks International Airport Weather Forecast

    • 44
    • 68

    Mostly Cloudy

    • 39
    • 67

    Mostly Sunny

    • 44
    • 68

    Mostly Sunny

    • 49
    • 69

    Chance Rain Showers

    • 51
    • 72

    Partly Sunny

    • 55
    • 75

    Partly Sunny

Today 20 Sep Grand Forks

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

Tonight 20 Sep Grand Forks

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

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 16 September, 2026

    36.6 °F

  • Average September

    64.3 °F

  • Highest 10 September, 2026

    85.6 °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