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Hourly Forecast
Daylight Hours
07:01
Sunrise
18:58
Sunset
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Waxing Gibbous
17:27
Moonrise
01:22
Moonset
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View stargazing scoreWeather in Potsdam today, September 21, 2026
Potsdam stays under cloudy skies on September 21, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The morning sky stays heavily clouded, with cover near 87% around 09:00. Grey conditions set the early tone before any later change.
Expect highs of 18°C and cooler readings close to 12°C. The air stays humid, with relative humidity between 49% and 75% and the peak around 09:00. A lighter breeze peaks around 15:00 near 5.8 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 17:00. Outdoor plans may still want a flexible backup. Expect visibility near 39.4 km, with poorer spells close to 34.1 km. Daylight runs from 07:01 to 18:58, lasting 11 hours 57 minutes of sunlight today.
In short, cloud leads the story in Potsdam on September 21, 2026; expect limited sun and a peak around 18°C.
Frequently asked questions about weather in Potsdam
How warm does it get in Potsdam?
The warmest month in Potsdam 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 Potsdam?
The coldest month in Potsdam 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 Potsdam?
The wettest month in Potsdam is July, with an average of 71mm of precipitation.
What is the driest time of year in Potsdam?
The driest month in Potsdam is April, with an average of 36mm of precipitation.
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