Oslo Weather Forecast

    • 36
    • 52

    Chance Rain Showers

    • 32
    • 50

    Mostly Cloudy

    • 41
    • 64

    Partly Sunny

    • 42
    • 67

    Chance Rain Showers

    • 44
    • 67

    Chance Rain Showers

    • 46
    • 71

    Slight Chance Thunderstorms

Today 18 May West Marshall

Cloudy. A chance of Showers this afternoon. Highs in the mid 50s. Breezy. North Winds 15 to 25 Mph. Chance of rain 50 percent.

Tonight 18 May West Marshall

Cloudy. Showers Likely, mainly in the evening. Lows in the mid 30s. Breezy. North Winds 15 to 25 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Oslo Temperature Statistics

May Temperature

Grand Forks, Grand Forks International Airport (16.8 miles)

  • Lowest 1 May, 2026

    21.7 °F

  • Average May

    49.2 °F

  • Highest 14 May, 2026

    82.7 °F

Climate (2021–Present)

Grand Forks, Grand Forks International Airport (16.8 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