17 May weather 2027

The weather models reach about 14 days ahead, so the precise forecast for the national day becomes clear around 3 May. Until then you can see Long-range forecast and climate normals to get an impression of typical weather in mid-May. Historically 17 May is often mild, but sun, rain and cool northerly winds all occur.

Mid-May is an unstable weather period in Norway — it can swing from warm spring sun to rain showers and brisk wind within a few days. Check the forecast a few days before, and consider planning with both sunscreen and rain gear for the parade. For an hour-by-hour forecast on the day, open your city via the cards above and choose Hourly.