Oslo Weather Forecast

    • 55
    • 63

    Rain Showers Likely

    • 55
    • 62

    Rain Showers

    • 54
    • 66

    Chance Rain Showers

    • 54
    • 74

    Partly Sunny

    • 50
    • 72

    Partly Sunny

    • 50
    • 71

    Mostly Sunny

Today 18 Sep West Marshall

Cloudy. A slight chance of Showers in the Morning, then a chance of Showers and a slight chance of Thunderstorms in the afternoon. Highs in the mid 60s. Northeast Winds 10 to 20 Mph. Chance of rain 50 percent.

Tonight 18 Sep West Marshall

Cloudy. Lows in the mid 50s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oslo Temperature Statistics

September Temperature

Grand Forks, Grand Forks International Airport (16.8 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 (16.8 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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