Today's Weather Forecast - Rotterdam

Today's weather in Rotterdam. high 20°C (68°F), low 13°C (55°F). Overcast.

Today’s Hourly Weather Outlook

Morning6 AM – Noon15°
Wind speed
9 km/h
Rain probability
2%
AfternoonNoon – 6 PM18°
Wind speed
14 km/h
Rain probability
2%
Evening6 PM – Midn19°
Wind speed
11 km/h
Rain probability
0%
NightMidn – 6 AM14°
Wind speed
8 km/h
Rain probability
0%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 6:38 AM
Total Daylight
Day completeSolar noon 1:38 PM
Sunset
Dusk 8:38 PM
RemainingDaylight ended
Solar elevation-29°
vs yesterday-6 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Good
Dominant pollutant
Dominant: O3
Monitoring station
Schiedamsevest, Rotterdam
PM2.5
20μg/m³
PM10
10μg/m³
O₃
21.2ppb
NO₂
12.2ppb
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Rotterdam is forecast to reach a high of 20°C today, with an overnight low around 13°C. That's 1° above the long-term average high of 19°C for this time of year. It continues a recent pattern — 16 of the last 20 days with published data have run warmer than normal. Expect little chance of rain (2% probability) and a gentle breeze averaging 14 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.

2026-08-19: 21°C21°2026-08-20: 22°C22°2026-08-21: 21°C21°2026-08-22: 20°C20°2026-08-23: 20°C20°2026-08-24: 22°C22°2026-08-25: 24°C24°2026-08-26: 25°C25°2026-08-27: 27°C27°2026-08-28: 22°C22°2026-08-29: 21°C21°2026-08-30: 21°C21°

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.