Overview

• Tuesday stays mostly sunny and warm nationwide, with 26–32°C in parts of the west and south and cooler 19–23°C near the coasts, according to the DWD.
• From Wednesday, showers and thunderstorms spread in from the southwest, with Südbaden, Oberschwaben, the Black Forest and the Allgäu at risk of severe storms with hail, strong winds and torrential rain.
• The DWD and regional forecasts highlight potential multi-hour heavy rain in the south on Wednesday night and Thursday, with local 60–80 l/m² in six hours and some model scenarios showing 100–200 l/m² regionally.
• North and west brighten sooner with 20–24°C, while the south holds on to rain longer; by the weekend, polar air drops highs broadly to about 17–22°C and brings a fresher, breezier feel at the coasts.
• Nights turn much cooler late week, with single-digit lows widely and a limited risk of ground frost in sheltered spots noted by some forecasts, while exact timing and local totals remain uncertain.