15-Day Weather Forecast - Rotterdam

15-day weather forecast for Rotterdam: temperatures from 10°C (50°F) to 22°C (72°F). Average daily high 17°C (63°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +19°C

15-Day Temperature Trend

19°15°TodaySep21°17°Tmrw20°16°Sun22°14°Mon21°15°Tue17°13°Wed17°13°Thu16°14°Fri15°13°Sat16°13°Sun17°13°Mon18°14°Tue15°11°Wed13°10°Thu14°10°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +19°/+15°
    feels +20°0.6 mm · 99%18 km/hUV 5 · Mod
    07:1020:06
  • Sat, Sep 12Tomorrow
    +21°/+17°
    feels +20°1.1 mm · 22%21 km/hUV 5 · Mod
    07:1120:03
  • Sun, Sep 13Sun
    +20°/+16°
    feels +20°14.7 mm · 100%17 km/hUV 4 · Mod
    07:1320:01
  • Mon, Sep 14Mon
    +22°/+14°
    feels +22°0.9 mm · 37%14 km/hUV 4 · Mod
    07:1419:59
  • Tue, Sep 15Tue
    +21°/+15°
    feels +21°2.1 mm · 54%18 km/hUV 4 · Mod
    07:1619:56
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  • Wed, Sep 16Wed
    +17°/+13°
    feels +15°6.3 mm · 75%18 km/hUV 4 · Mod
    07:1819:54
  • Thu, Sep 17Thu
    +17°/+13°
    feels +15°3.6 mm · 62%22 km/hUV 1 · Low
    07:1919:52
  • Fri, Sep 18Fri
    +16°/+14°
    feels +14°3.0 mm · 58%20 km/hUV 2 · Low
    07:2119:50
  • Sat, Sep 19Sat
    +15°/+13°
    feels +14°11.4 mm · 36%18 km/hUV 4 · Mod
    07:2319:47
  • Sun, Sep 20Sun
    +16°/+13°
    feels +12°5.4 mm · 36%26 km/hUV 4 · Mod
    07:2419:45
  • Mon, Sep 21Mon
    +17°/+13°
    feels +15°0 mm · 33%16 km/hUV 4 · Mod
    07:2619:43
  • Tue, Sep 22Tue
    +18°/+14°
    feels +16°6.6 mm · 31%23 km/hUV 4 · Mod
    07:2719:40
  • Wed, Sep 23Wed
    +15°/+11°
    feels +13°9.6 mm · 40%19 km/hUV 4 · Mod
    07:2919:38
  • Thu, Sep 24Thu
    +13°/+10°
    feels +10°21.6 mm · 35%23 km/hUV 4 · Mod
    07:3119:36
  • Fri, Sep 25Fri
    +14°/+10°
    feels +10°3.0 mm · 31%22 km/hUV 4 · Mod
    07:3219:33

Weather Insight

Rotterdam's 15-day outlook ranges from a low of 10°C to a high of 22°C, with an average daytime high near 17°C. That's 2° below the long-term average high of 19°C for this time of year. 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.

2026-08-28: 22°C22°2026-08-29: 21°C21°2026-08-30: 21°C21°2026-08-31: 20°C20°2026-09-01: 20°C20°2026-09-02: 21°C21°2026-09-03: 22°C22°2026-09-04: 21°C21°2026-09-05: 19°C19°2026-09-06: 23°C23°2026-09-07: 25°C25°2026-09-08: 19°C19°

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.

Extended Outlook for Rotterdam

Over the next 15 days, Rotterdam is forecast to see temperatures ranging from 9°C to 22°C, averaging a daily high of 17°C. The extended outlook indicates significant rainfall totalling 89.9 mm spread across 14 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.