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
07:03
Sunrise
19:01
Sunset
Moon
Waxing Gibbous
17:22
Moonrise
01:32
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 Altenburg.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Altenburg.
View stargazing scoreWeather in Altenburg today, September 21, 2026
Expect unsettled, showery conditions in Altenburg on September 21, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Expect a grey start, with morning cloud around 67% by 11:00. Outdoor plans early on should not rely on bright skies.
Temperatures climb from an overnight low near 10°C toward a daytime high of about 16°C. Relative humidity sits between 61% and 93%, reaching its peak around 23:00. Airflow remains manageable, reaching about 6.5 km/h around 14:00.
The second half of the day still looks unsettled, with rain probability around 78% by 15:00. Dense cloud near 81% at 14:00 keeps the feel grey. Expect visibility around 16.1 km. Sunrise is at 07:03 and sunset at 19:01, giving 11 hours 58 minutes of sunlight today.
The practical takeaway for Altenburg on September 21, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 16°C.
Frequently asked questions about weather in Altenburg
How warm does it get in Altenburg?
The warmest month in Altenburg 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 Altenburg?
The coldest month in Altenburg 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 Altenburg?
The wettest month in Altenburg is October, with an average of 69mm of precipitation.
What is the driest time of year in Altenburg?
The driest month in Altenburg is April, with an average of 39mm of precipitation.
Explore more weather forecasts
- Schmölln, Thuringia
- Berlin, Land Berlin
- Gera, Thuringia
- Hamburg, Free and Hanseatic City of Hamburg
- Eisenberg, Thuringia
- Munich, Bavaria
- Greiz, Thuringia
- Köln, Nordrhein-Westfalen
- Zeulenroda, Thuringia
- Frankfurt am Main, Hessen
- Jena, Thuringia
- Stuttgart, Baden-Württemberg
- Apolda, Thuringia
- Düsseldorf, Nordrhein-Westfalen
- Pößneck, Thuringia
- Essen, Nordrhein-Westfalen