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9°
Mostly Cloudy
Feels Like: 6°
Min: 7°
Max: 11°
The next few hours will be mostly cloudy, with today reaching 11°C and dropping to 6°C. The coming days will be mostly clear throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:58
Sunrise
18:56
Sunset
Moon
Waxing Gibbous
17:15
Moonrise
01:27
Moonset
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View stargazing scoreWeather in Altenberg today, September 21, 2026
Altenberg starts September 21, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. The morning sky stays heavily clouded, with cover near 93% around 09:00. Grey conditions set the early tone before any later change.
The day peaks near 11°C and cools toward 7°C. Relative humidity sits between 74% and 89%, reaching its peak around 09:00. Airflow remains manageable, reaching about 7.9 km/h around 14:00.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 15:00. Outdoor plans may still want a flexible backup. Expect visibility near 27.9 km, with poorer spells close to 16.3 km. Daylight runs from 06:58 to 18:56, lasting 11 hours 58 minutes of sunlight today.
Overall, Altenberg on September 21, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 11°C.
Frequently asked questions about weather in Altenberg
How warm does it get in Altenberg?
The warmest month in Altenberg is August, with average high temperatures of 23°C. The average temperature during this period is around 18°C.
How cold does it get in Altenberg?
The coldest month in Altenberg is January, with average low temperatures of -3°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Altenberg?
The wettest month in Altenberg is August, with an average of 100mm of precipitation.
What is the driest time of year in Altenberg?
The driest month in Altenberg is November, with an average of 46mm of precipitation.
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