Tomorrow's Weather Forecast - Cologne

Tomorrow's weather in Cologne. high 23°C (73°F), low 16°C (61°F). Drizzle.

Tomorrow’s Outlook

Tomorrow will be 2°C warmer than today. Light rain is possible, though a 27% peak chance means much of the day could stay dry. That risk lines up with humidity averaging 66% through the day the more moisture in the air, the more readily clouds build into showers. Humidity sits at a moderate 66%, so the air shouldn't feel unusually damp or dry. A light breeze near 12 km/h is expected. Sunrise is at 7:02 AM and sunset at 7:53 PM, for about 12h 51m of daylight.

Tomorrow
23°/ 16°
Today21° / 14°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon17°
Rain probability
14%
Wind speed
9 km/h
AfternoonNoon – 6 PM22°
Rain probability
27%
Wind speed
12 km/h
Evening6 PM – Midn21°
Rain probability
4%
Wind speed
12 km/h
NightMidn – 6 AM17°
Rain probability
22%
Wind speed
8 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep
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Temperature · peaks at +23°C

Planning Advice for Tomorrow

Clothing
Light layers work well; a jacket for the evening.
Outdoor
Good conditions for outdoor activities.
Travel
Standard travel conditions expected.

Sunrise & Sunset

Sunrise
Dawn 6:32 AM
Total Daylight
Full day forecastSolar noon 1:27 PM
Sunset
Dusk 8:23 PM
vs today-3 min daylight
Sunrise shift1 min later
Sunset shift2 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Cologne is forecast to reach a high of 23°C tomorrow, with an overnight low around 16°C. That's 2° above the long-term average high of 21°C for this time of year. Expect a low chance of rain (27% probability) and a gentle breeze averaging 12 km/h. Air quality is currently good (AQI 29), with no notable outdoor health concerns.

Today vs Normal

21°C0° below normal

The long-term average high for today is 21°C.

14 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running below normal.

2026-08-28: 23°C23°2026-08-29: 23°C23°2026-08-30: 23°C23°2026-08-31: 21°C21°2026-09-01: 21°C21°2026-09-02: 21°C21°2026-09-03: 21°C21°2026-09-04: 25°C25°2026-09-05: 21°C21°2026-09-06: 24°C24°2026-09-07: 29°C29°2026-09-08: 25°C25°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.