Grand Forks Weather Forecast

    • 57
    • 71

    Mostly Cloudy

    • 53
    • 66

    Rain Showers

    • 53
    • 71

    Mostly Cloudy

    • 53
    • 69

    Rain Showers

    • 44
    • 64

    Chance Rain Showers

    • 46
    • 64

    Partly Sunny

Today 25 Sep Grand Forks

Patchy fog in the morning. Cloudy. Highs 70 to 75. Southeast Winds around 5 Mph increasing to around 15 Mph in the afternoon.

Tonight 25 Sep Grand Forks

Mostly cloudy. A chance of Showers after midnight. Lows in the mid 50s. Southeast Winds 10 to 20 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Forks Temperature Statistics

September Temperature

Grand Forks, Grand Forks International Airport (6.8 miles)

  • Lowest 16 September, 2026

    36.6 °F

  • Average September

    63 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Grand Forks, Grand Forks International Airport (6.8 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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