- Clothing
- Waterproof jacket and umbrella strongly recommended.
Tomorrow's Weather Forecast - Rotterdam
Tomorrow's weather in Rotterdam. high 19°C (66°F), low 15°C (59°F). Drizzle.
Tomorrow’s Outlook
Tomorrow brings a similar temperature to today. Expect heavy rain in the morning and afternoon and evening, with rain chances climbing as high as 100%. That risk lines up with humidity averaging 83% through the day the more moisture in the air, the more readily clouds build into showers. Humidity holds around 83%, giving the air a damp, heavy feel even without much heat behind it. A light breeze near 19 km/h is expected. Sunrise is at 7:10 AM and sunset at 8:06 PM, for about 12h 56m of daylight.
- Tomorrow
- 19°/ 15°
- Today20° / 13°
Tomorrow’s Hourly Weather Outlook
Morning6 AM – Noon15°
- Rain probability
- 73%
- Wind speed
- 19 km/h
AfternoonNoon – 6 PM18°
- Rain probability
- 100%
- Wind speed
- 14 km/h
Evening6 PM – Midn18°
- Rain probability
- 72%
- Wind speed
- 10 km/h
NightMidn – 6 AM16°
- Rain probability
- 33%
- Wind speed
- 17 km/h
24-Hour Rain & Temperature Forecast
Tomorrow11 Sep
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Planning Advice for Tomorrow
- Outdoor
- Not ideal for outdoor plans or car washes — heavy rain expected.
- Travel
- Expect traffic slowdowns from wet roads. Allow extra time.
Sunrise & Sunset
Sunrise
Dawn 6:40 AMTotal Daylight
Full day forecastSolar noon 1:38 PM
Sunset
Dusk 8:36 PMvs today-4 min daylight
Sunrise shift2 min later
Sunset shift2 min earlier
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Rotterdam is forecast to reach a high of 19°C tomorrow, with an overnight low around 15°C. Expect a high chance of rain (100% probability) and a gentle breeze averaging 19 km/h. Air quality is currently Moderate (AQI 53), driven mainly by PM2.5 at 10 μg/m³.
Today vs Normal
20°C+1° above normal
The long-term average high for today is 19°C.
16 of the last 20 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air Quality
Moderate
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.