Grand Forks Weather Forecast

    • 47
    • 66

    Rain Showers Likely

    • 47
    • 67

    Mostly Cloudy

    • 50
    • 70

    Mostly Cloudy

    • 51
    • 70

    Slight Chance Rain Showers

    • 49
    • 70

    Mostly Cloudy

    • 49
    • 71

    Partly Sunny

Today 16 Sep Grand Forks

Mostly sunny this Morning, then mostly cloudy. Showers likely this afternoon. Highs in the mid 60s. Temperature falling through the afternoon. Southeast Winds 5 to 15 Mph. Chance of rain 70 percent.

Tonight 16 Sep Grand Forks

Mostly cloudy. A chance of Showers in the evening. Lows in the mid 40s. Northeast Winds around 5 Mph shifting to the north after midnight. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Forks Temperature Statistics

September Temperature

Grand Forks, Grand Forks International Airport (6.8 miles)

  • Lowest 13 September, 2026

    41 °F

  • Average September

    66.3 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Grand Forks, Grand Forks International Airport (6.8 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