Temperature reaches its peak on Wednesday, with a noticeable drop in temperatures to follow.
In the coming days, Germany is set to experience a mix of sunny weather and extreme heat, with a significant heatwave expected to peak on Wednesday. According to the German Weather Service (DWD), temperatures could soar as high as 40 degrees Celsius in some parts of the country, particularly in the southwest and west.
On Wednesday, the southwest of Germany is under a strong heat stress warning. The day will be scorching, with peak temperatures of 33 to 39 degrees Celsius throughout Germany, and local areas in the southwest and west potentially reaching 40 degrees. Even in the northwest, it will be sunny again with pleasant temperatures of 20 to 25 degrees Celsius, but cloud fields will move in towards Wednesday evening, bringing showers and thunderstorms in some places.
The night will still be tropical in many places with temperatures of more than 20 degrees Celsius on Thursday. Locally, there may be heavy rain, according to the DWD. In the afternoon and evening, there will be heavy thunderstorms in some places from the Black Forest via the Swabian Alb to the Alps. Locally heavy rain is possible during these thunderstorms.
The extreme heat is associated with a large atmospheric ridge that brings hot air masses from Northern Africa, resulting in tropical nights, where temperatures do not fall substantially during the night. This heat wave is expected to increase electricity demand, driving up prices in European electricity markets.
The DWD advises avoiding outdoor sports activities or postponing them to the early hours of Wednesday. Sufficient fluid intake should be ensured on Wednesday, as the high temperatures can lead to dehydration.
In the southeastern part, temperatures of 29 to 35 degrees Celsius are expected again on Thursday. Even on the Baltic coast, summery temperatures around 25 degrees are expected, as stated by Nico Bauer. However, there is hardly any cooling at night; temperatures will not drop below 20 degrees Celsius in the west and southwest.
Earlier in 2025, Europe experienced a series of heat waves, including a significant one in August, which brought temperatures as high as 35°C in Central Europe. This heat wave led to multiple impacts, including wildfires, health risks, and higher mortality rates. While Germany's temperatures were not as extreme as Southern Europe’s 40+°C heat, the sustained warmth and tropical nights severely affected the region.
The DWD warns of the extreme heat load in the southwestern part at times. Residents are encouraged to take necessary precautions to stay safe and hydrated during this period.
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