Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Current UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
If you’re heading to Oslo, check the live forecast above before you pack — this is a city where layers and waterproofs are essential year-round, and a single sunny morning can turn into a damp afternoon by the fjord.
When is the best time to visit Oslo?
For mild days and long light, aim for May to September, when temperatures sit between 12°C and 22°C and outdoor cafés along the Aker Brygge waterfront are buzzing. July is the warmest month, but it also brings the school holidays, so expect busier attractions. Winter (December to February) is cold and dark, with average highs around -1°C to 3°C, but it offers a fair chance of snow for winter sports or a cosy weekend in the city.
What should I pack for Oslo?
Even in summer, a waterproof jacket and a mid-layer are wise — Oslo’s weather can shift quickly, with rain arriving without much warning. In winter, pack thermal base layers, a windproof coat, a warm hat, gloves and sturdy boots with good grip for icy pavements. For spring and autumn, a lined raincoat and comfortable walking shoes will serve you well.
Frequently asked questions
Does Oslo get a lot of rain?
Yes, Oslo receives moderate rainfall throughout the year, with August and September typically the wettest months. Summer showers can be sudden, so a compact umbrella or waterproof jacket is a smart addition to your day bag.
How accurate are long-range forecasts for Oslo?
Forecasts beyond seven days, such as a weather oslo 14 days outlook, give a general trend rather than precise details. For reliable planning, check the live forecast above and the BBC Weather Oslo 14 days update closer to your travel dates.
Is Oslo worth visiting in winter?
Absolutely — winter offers a magical atmosphere with Christmas markets, ice skating and a good chance of snow. If you’re comparing options, the bbc weather bergen forecast tends to show more rain than Oslo, making the capital a slightly drier choice for a winter city break.
Sources
For more UK travel planning, see our UK weather hub or check the 10 day weather forecast UK for conditions back home. If you’re also curious about similar Nordic cities, a Glasgow weather comparison can help you gauge typical maritime climates.