Grand Forks International Airport Weather Forecast

    • 55
    • 64

    Rain Showers Likely

    • 55
    • 67

    Rain Showers Likely

    • 55
    • 72

    Chance Rain Showers

    • 55
    • 77

    Partly Sunny

    • 51
    • 76

    Partly Sunny

    • 50
    • 75

    Mostly Sunny

Today 18 Sep Grand Forks

Cloudy. A chance of Showers in the Morning, then Showers likely and a slight chance of Thunderstorms in the afternoon. Highs 60 to 65. Northeast Winds 10 to 20 Mph. Chance of rain 70 percent.

Tonight 18 Sep Grand Forks

Cloudy with a 20 percent chance of Showers. Lows in the mid 50s. North Winds around 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 7 September, 2025

    33.1 °F
  • Average September

    61.1 °F
  • Highest 14 September, 2025

    87.1 °F

Climate (2020–Present)

Grand Forks, Grand Forks International Airport (0 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    31.8 °F
  • Average 2020–2025

    42.8 °F
  • Average High 2020–2025

    53.4 °F
Get WillyWeather+ to remove ads