14 day weather forecast

Rotterdam weather August 2026 — 14 day forecast · Netherlands

20°

cloudy · feels like 20°

Updated at
  • Live from Open-Meteo
  • Refreshed several times a day
  • 14 days ahead
  • No tracking · free
Warmest day
Saturday 29 Aug
22°C
highest maximum
Wettest day
Thursday 3 Sept
19.5 mm
71% chance
Most sunshine
Sunday 6 Sept
12.9 hours
of sunshine
Trend
14 days
Unsettled
10 days with rain

The next 14 days

swipe →
Avg max, 3 days
20.7°C
Coldest night
14°C
Most sunshine
12.9 h
Wind from
the south

Overview table · August 2026

Rotterdam 14 day forecast, day by day

The table below shows the full 14 day weather forecast for Rotterdam (Netherlands): the maximum and minimum temperature, rainfall in millimetres, the chance of rain, humidity, hours of sunshine and the UV index per day. Across the next two weeks the maximum temperature in Rotterdam averages around 21°C and the minimum around 16°C, with roughly 68 mm of rain in total, 4 dry days and about 109 hours of sunshine.

Last updated:

14 day weather forecast for Rotterdam (Netherlands) per day: temperature, rainfall, chance of rain, humidity, sunshine hours and UV index. Updated in August 2026.
DayWeatherMaxMinRainChanceHumiditySunUV
Saturday29 AugShowers22°C17°C8.8 mm100%84%4.1 h5moderate
Sunday30 AugLight rain20°C17°C2.1 mm100%83%1.5 h5moderate
Monday31 AugShowers20°C16°C13.9 mm100%81%0.6 h5moderate
Tuesday1 SeptLight rain20°C16°C0.5 mm80%73%12.6 h5moderate
Wednesday2 SeptLight rain20°C14°C0.3 mm67%80%9.7 h4moderate
Thursday3 SeptShowers20°C17°C19.5 mm71%89%0 h2low
Friday4 SeptLight rain21°C16°C5.1 mm43%91%4 h4moderate
Saturday5 SeptLight rain22°C17°C2.7 mm29%86%11.3 h3moderate
Sunday6 SeptLight rain21°C15°C1.2 mm35%82%12.9 h5moderate
Monday7 SeptLight rain22°C14°C0.6 mm31%83%6 h4moderate
Tuesday8 SeptLight rain22°C16°C3 mm27%76%12.6 h4moderate
Wednesday9 SeptCloudy20°C15°C0 mm31%78%8.1 h4moderate
Thursday10 SeptLight rain21°C17°C7.5 mm29%81%12.8 h3moderate
Friday11 SeptLight rain20°C15°C2.7 mm33%74%12.7 h4moderate

The first three to five days of the forecast for Rotterdam are the most reliable; from day seven onwards it is an indicative trend. Click a day in the overview above for hourly detail. Source: Open-Meteo (Met Office, DWD, ECMWF).

Background & outlook

The weather in Rotterdam

Current conditions and the 14 day forecast

Rotterdam lies in Netherlands, an area with a maritime climate: mild winters, cool summers, changeable skies and rain spread across the whole year. That is exactly why a two-week outlook is useful here — it shows the pattern rather than one snapshot.

What is the weather like in Rotterdam right now?

It is currently 20°C in Rotterdam with cloudy. It feels like 20°C, humidity is 76% and the wind is SSW 18 km/h.

Today (Saturday) reaches a maximum of 22°C and a minimum of 17°C, with 8.8 mm of rain and 4.1 hours of sunshine. Sunrise is at 06:49 and sunset at 20:36.

Rotterdam weather tomorrow

Tomorrow (Sunday) the maximum temperature in Rotterdam is 20°C and the minimum 17°C. Around 2.1 mm of rain is expected with 1.5 hours of sunshine, and the chance of rain is 100%. The data is refreshed several times a day through Open-Meteo.

Rotterdam weather this week and next week

Over the coming week the average maximum temperature in Rotterdam sits around 20°C and the average minimum around 16°C. Roughly 50.2 mm of rain is expected, spread across 5 days, with 0 largely sunny days.

The warmest day in the 14 day forecast for Rotterdam is Saturday 29 Aug at 22°C. The coldest night falls on Wednesday 2 Sept at 14°C. Click any day for hourly detail.

Rain, sunshine and UV in Rotterdam

A daily rainfall total says little on its own: the same 5 mm can be one short downpour or a grey day of drizzle, which is why the hourly chart above is often the more useful of the two. Over the next fortnight the highest UV index for Rotterdam is 5, which is low to moderate.

How reliable is a 14 day forecast?

The first three to five days are generally very accurate. After that the certainty drops off and it is better read as a trend than as an exact daily prediction. Our data comes from Open-Meteo, which combines national weather models — among them the Met Office, DWD and ECMWF — and recomputes them several times a day using measurements from stations worldwide.

Forecast for Rotterdam last updated: 29 August 2026 at 15:08. See also all Netherlands forecasts and the European weather map.

Frequently asked questions

Questions about the weather in Rotterdam

What is the weather like in Rotterdam in August 2026?

The forecast at the top of this page shows the current temperature in Rotterdam plus the maximum and minimum for each of the next 14 days, with rainfall, chance of rain, sunshine hours and UV index. It is refreshed several times a day.

How accurate is the 14 day forecast for Rotterdam?

The first three to five days for Rotterdam are highly reliable. From day six onwards, read the forecast as a trend: it shows whether it turns warmer, cooler, wetter or drier rather than an exact value for that day.

Will it rain in Rotterdam this week?

The rainfall chart on this page gives the expected millimetres per day for Rotterdam, and each day card shows the chance of rain as a percentage. Below 20% with several hours of sunshine is a genuinely dry day.

How warm does it get in Rotterdam over the next two weeks?

The temperature chart shows the maximum and minimum for every one of the next 14 days in Rotterdam. The overview table underneath repeats the same figures day by day, together with the average across the fortnight.

Can I see the weather in Rotterdam hour by hour?

Yes. The hourly chart covers the next 48 hours in Rotterdam with temperature, feels-like temperature and chance of rain. Clicking any of the 14 days opens a panel with night, morning, afternoon and evening detail.

Where does the Rotterdam forecast come from?

The data for Rotterdam (Netherlands, Netherlands) comes from Open-Meteo, which combines national weather models such as those of the Met Office, DWD, Météo-France and ECMWF and recomputes them several times a day.

What does the UV index for Rotterdam mean?

The UV index runs from 0 to 11+. Up to 2 is low, 3 to 5 moderate, 6 to 7 high and 8 or more very high. From 6 upwards it is worth using sun protection in the middle of the day, even when it does not feel especially hot.

Is the Rotterdam weather forecast free?

Yes. The full 14 day forecast for Rotterdam is free, needs no account and carries no adverts inside the charts.