Sunny August weather expected: Flensburg stays pleasantly warm!
Find out the weather forecast for Flensburg from August 13th to 19th, 2025: warm temperatures, changeable weather and more.

Sunny August weather expected: Flensburg stays pleasantly warm!
Especially in Flensburg, August shows itself at its best. Anyone who loves the warm temperatures will get their money's worth in the coming days. Loud news.de After a mild morning with around 17°C on August 13th, the people of Flensburg expect highs of 28°C during the day. In the evening the temperatures drop to a pleasant 18°C. There are clouds, but there will be largely no rain in the near future.
The weather situation in Flensburg is summery. Temperatures this week range between a maximum of 21°C and 28°C. The nighttime temperatures in particular are above average at 19°C, which makes for cozy evenings outdoors. The wind blows at speeds between 13 and 28 km/h and provides a refreshing breeze in the warm air. The hours of sunshine are not to be neglected, the sun sets at 9:00 p.m. today, after a beautiful sunrise at 5:54 a.m.
A look at the coming days
What awaits us in the next few days? Tomorrow, August 14th, it will also be warm at first with 17°C in the morning. But the forecast shows we're in for some moderate rain, which could potentially put a damper on some plans. But even this will not diminish the warming temperatures - up to 28°C is expected during the day.
The rest of the week's trend remains exciting:
- Mittwoch: 23°C, mäßig bewölkt
- Donnerstag: 28°C, mäßiger Regen
- Freitag: 25°C, überwiegend bewölkt
- Samstag: 21°C, bewölkt
- Sonntag: 23°C, bewölkt
- Montag und Dienstag: klarer Himmel bei 24°C
The forecasts are particularly interesting for the weekend. On Saturday it will be cloudy with only 21°C, while on Sunday temperatures could rise up to 23°C. The weather conditions remain quite warm – typical for August – accompanied by changeable clouds.
Annual weather in Flensburg
For anyone who is interested in the climatic conditions in Flensburg: The city is located in Schleswig-Holstein at an altitude of 10 m above sea level and has average annual temperatures of 12°C during the day and only 6°C at night. This makes the summer particularly beautiful, while the winter months are rather dry and cool with temperatures around freezing and little precipitation. August itself has an average rainfall of 80 mm, but this should rarely cause problems this year as the chance of rain remains correspondingly low.
This is how you can live well in Flensburg, whether with a visit to the coast or a cozy barbecue evening in the garden - summer still has a lot to offer! Further details about the weather forecasts can also be found at weather.com and for further climatological information meteoatlas.de.