- Clothing
- Light waterproof jacket with an umbrella is a smart choice.
Tomorrow's Weather Forecast - Rotterdam
Tomorrow's weather in Rotterdam. high 22°C (72°F), low 16°C (61°F). Drizzle.
Tomorrow’s Outlook
Tomorrow will be 3°C warmer than today. Showers are likely, with rain probability peaking near 25%. That risk lines up with humidity averaging 73% through the day the more moisture in the air, the more readily clouds build into showers. Humidity holds around 73%, giving the air a damp, heavy feel even without much heat behind it. A light breeze near 21 km/h is expected. Sunrise is at 7:11 AM and sunset at 8:03 PM, for about 12h 52m of daylight.
- Tomorrow
- 22°/ 16°
- Today19° / 15°
Tomorrow’s Hourly Weather Outlook
Morning6 AM – Noon17°
- Rain probability
- 0%
- Wind speed
- 12 km/h
AfternoonNoon – 6 PM21°
- Rain probability
- 2%
- Wind speed
- 20 km/h
Evening6 PM – Midn20°
- Rain probability
- 25%
- Wind speed
- 21 km/h
NightMidn – 6 AM17°
- Rain probability
- 0%
- Wind speed
- 5 km/h
24-Hour Rain & Temperature Forecast
Tomorrow12 Sep
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Planning Advice for Tomorrow
- Outdoor
- Outdoor plans may need flexibility; showers are likely.
- Travel
- Wet roads may slow traffic; allow a little extra time.
Sunrise & Sunset
Sunrise
Dawn 6:41 AMTotal Daylight
Full day forecastSolar noon 1:37 PM
Sunset
Dusk 8:33 PMvs today-4 min daylight
Sunrise shift1 min later
Sunset shift3 min earlier
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Rotterdam is forecast to reach a high of 22°C tomorrow, with an overnight low around 16°C. That's 3° above the long-term average high of 19°C for this time of year. It continues a recent pattern — 20 of the last 28 days with published data have run warmer than normal. Expect a low chance of rain (25% probability) and moderate breezes averaging 21 km/h. Air quality is currently good (AQI 25), with no notable outdoor health concerns.
Today vs Normal
19°C0° below normal
The long-term average high for today is 19°C.
20 of the last 28 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.
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.