Tomorrow's Weather Forecast - Dortmund

Tomorrow's weather in Dortmund. high 21°C (70°F), low 16°C (61°F). Drizzle.

Tomorrow’s Outlook

Tomorrow brings a similar temperature to today. Light rain is possible, though a 29% peak chance means much of the day could stay dry. That risk lines up with humidity averaging 70% through the day the more moisture in the air, the more readily clouds build into showers. Humidity holds around 70%, giving the air a damp, heavy feel even without much heat behind it. A light breeze near 13 km/h is expected. Sunrise is at 7:00 AM and sunset at 7:51 PM, for about 12h 52m of daylight.

Tomorrow
21°/ 16°
Today20° / 14°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon16°
Rain probability
29%
Wind speed
10 km/h
AfternoonNoon – 6 PM19°
Rain probability
29%
Wind speed
12 km/h
Evening6 PM – Midn20°
Rain probability
6%
Wind speed
13 km/h
NightMidn – 6 AM17°
Rain probability
17%
Wind speed
10 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep
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Temperature · peaks at +21°C

Planning Advice for Tomorrow

Clothing
Warm jacket and comfortable layers recommended.
Outdoor
Good conditions for outdoor activities.
Travel
Standard travel conditions expected.

Sunrise & Sunset

Sunrise
Dawn 6:30 AM
Total Daylight
Full day forecastSolar noon 1:25 PM
Sunset
Dusk 8:21 PM
vs today-3 min daylight
Sunrise shift2 min later
Sunset shift3 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Dortmund is forecast to reach a high of 21°C tomorrow, with an overnight low around 16°C. That's 1° above the long-term average high of 20°C for this time of year. It continues a recent pattern — 10 of the last 19 days with published data have run warmer than normal. Expect a low chance of rain (29% probability) and a gentle breeze averaging 13 km/h. Air quality is currently good (AQI 36), with no notable outdoor health concerns.

Today vs Normal

20°C0° below normal

The long-term average high for today is 20°C.

10 of the last 19 days with published data ran above normal.

That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.

2026-08-19: 18°C18°2026-08-20: 23°C23°2026-08-21: 21°C21°2026-08-22: 19°C19°2026-08-23: 19°C19°2026-08-24: 22°C22°2026-08-25: 23°C23°2026-08-26: 24°C24°2026-08-27: 29°C29°2026-08-28: 24°C24°2026-08-29: 23°C23°2026-08-30: 22°C22°

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.