Sertoma Park Weather Forecast

    • 57
    • 80

    Chance Rain Showers

    • 56
    • 83

    Mostly Sunny

    • 54
    • 76

    Mostly Cloudy

    • 55
    • 69

    Chance Rain Showers

    • 54
    • 69

    Chance Rain Showers

    • 54
    • 70

    Slight Chance Rain Showers

    • 55
    • 74

    Partly Sunny

Today 15 Sep Grand Forks

Partly sunny with a chance of Showers and a slight chance of Thunderstorms. Highs in the mid 70s. South Winds around 15 Mph with Gusts to around 30 Mph. Chance of rain 40 percent.

Tonight 15 Sep Grand Forks

Partly cloudy. Lows in the mid 50s. Southwest Winds 5 to 15 Mph.

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  • Temperature Real-Time

Sertoma Park Temperature Statistics

September Temperature

Grand Forks, Grand Forks International Airport (5.6 miles)

  • Lowest 7 September, 2025

    33.1 °F

  • Average September

    59.1 °F

  • Highest 1 September, 2025

    82.9 °F

Climate (2020–Present)

Grand Forks, Grand Forks International Airport (5.6 miles)

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  • Average Low 2020–2025

    31.8 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    53.4 °F
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