See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:04
Sunrise
19:02
Sunset
Moon
Waxing Gibbous
17:27
Moonrise
01:28
Moonset
Daily Forecast
Today
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
Upgrade to access real-time air quality data for Dessau.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Dessau.
View stargazing scoreWeather in Dessau today, September 21, 2026
Expect unsettled, showery conditions in Dessau on September 21, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. The morning sky stays heavily clouded, with cover near 94% around 11:00. Grey conditions set the early tone before any later change.
Temperatures climb from an overnight low near 12°C toward a daytime high of about 18°C. The air stays humid, with relative humidity between 52% and 81% and the peak around 02:00. Expect gentle winds, highest near 16:00 at 4.8 km/h.
Afternoon showers stay in play, peaking near 70% around 12:00. Skies remain cluttered, with cover about 100% by 12:00. Expect visibility near 36.8 km, with poorer spells close to 31.6 km. Daylight runs from 07:04 to 19:02, lasting 11 hours 57 minutes of sunlight today.
The practical takeaway for Dessau on September 21, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 18°C.
Frequently asked questions about weather in Dessau
How warm does it get in Dessau?
The warmest month in Dessau is August, with average high temperatures of 25°C. The average temperature during this period is around 20°C.
How cold does it get in Dessau?
The coldest month in Dessau is January, with average low temperatures of 0°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Dessau?
The wettest month in Dessau is July, with an average of 64mm of precipitation.
What is the driest time of year in Dessau?
The driest month in Dessau is April, with an average of 33mm of precipitation.
Explore more weather forecasts
- Zerbst, Saxony-Anhalt
- Berlin, Land Berlin
- Köthen, Saxony-Anhalt
- Hamburg, Free and Hanseatic City of Hamburg
- Bitterfeld-Wolfen, Saxony-Anhalt
- Munich, Bavaria
- Wittenberg, Saxony-Anhalt
- Köln, Nordrhein-Westfalen
- Calbe, Saxony-Anhalt
- Frankfurt am Main, Hessen
- Bernburg, Saxony-Anhalt
- Stuttgart, Baden-Württemberg
- Schönebeck, Saxony-Anhalt
- Düsseldorf, Nordrhein-Westfalen
- Halle (Saale), Saxony-Anhalt
- Essen, Nordrhein-Westfalen