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18°
Overcast
Feels Like: 19°
Min: 10°
Max: 18°
The next few hours will be overcast, with today reaching 18°C and dropping to 11°C. The coming days will be mostly clear
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:24
Sunrise
19:22
Sunset
Moon
Waxing Gibbous
17:43
Moonrise
01:55
Moonset
Daily Forecast
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View stargazing scoreWeather in Cologne Bonn Airport today, September 21, 2026
Cologne Bonn Airport stays under cloudy skies on September 21, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open.
Temperatures climb from an overnight low near 10°C toward a daytime high of about 18°C. Relative humidity sits between 53% and 82%, reaching its peak around 23:00. A lighter breeze peaks around 17:00 near 2.7 km/h.
Through the afternoon cloud remains the main feature, with cover near 99% around 17:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 38.6 km, briefly nearer 33.1 km. The sun rises at 07:24 and sets at 19:22, for a total of 11 hours 58 minutes of sunlight today.
In short, cloud leads the story in Cologne Bonn Airport on September 21, 2026; expect limited sun and a peak around 18°C.
Frequently asked questions about weather in Cologne Bonn Airport
How warm does it get in Cologne Bonn Airport?
The warmest month in Cologne Bonn Airport is August, with average high temperatures of 24°C. The average temperature during this period is around 20°C.
How cold does it get in Cologne Bonn Airport?
The coldest month in Cologne Bonn Airport is January, with average low temperatures of 1°C. The average temperature during this period is around 3°C.
What is the wettest time of year in Cologne Bonn Airport?
The wettest month in Cologne Bonn Airport is January, with an average of 113mm of precipitation.
What is the driest time of year in Cologne Bonn Airport?
The driest month in Cologne Bonn Airport is April, with an average of 58mm of precipitation.
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