15-Day Weather Forecast - Rotterdam

15-day weather forecast for Rotterdam: temperatures from 0°C (32°F) to 22°C (72°F). Average daily high 18°C (64°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
··
0:00
1:00
2:00
3:00
4:00
5:00
6:00
7:00
8:00
9:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00

Temperature · peaks at +20°C

15-Day Temperature Trend

20°15°TodaySep22°16°Tmrw20°17°Sun22°16°Mon20°16°Tue17°14°Wed19°14°Thu17°14°Fri19°13°Sat18°13°Sun18°12°Mon20°11°Tue16°14°Wed15°12°Thu0°0°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +20°/+15°
    feels +20°1.3 mm · 100%18 km/hUV 5 · Mod
    07:1020:06
  • Sat, Sep 12Tomorrow
    +22°/+16°
    feels +20°0 mm · 22%18 km/hUV 5 · Mod
    07:1120:03
  • Sun, Sep 13Sun
    +20°/+17°
    feels +20°9.2 mm · 93%17 km/hUV 5 · Mod
    07:1320:01
  • Mon, Sep 14Mon
    +22°/+16°
    feels +22°1.2 mm · 35%16 km/hUV 5 · Mod
    07:1419:59
  • Tue, Sep 15Tue
    +20°/+16°
    feels +20°1.8 mm · 55%18 km/hUV 5 · Mod
    07:1619:56
    Advertisement
  • Wed, Sep 16Wed
    +17°/+14°
    feels +16°3.0 mm · 35%17 km/hUV 4 · Mod
    07:1819:54
  • Thu, Sep 17Thu
    +19°/+14°
    feels +16°6.9 mm · 65%24 km/hUV 2 · Low
    07:1919:52
  • Fri, Sep 18Fri
    +17°/+14°
    feels +15°0.9 mm · 54%21 km/hUV 4 · Mod
    07:2119:50
  • Sat, Sep 19Sat
    +19°/+13°
    feels +17°0.3 mm · 33%18 km/hUV 4 · Mod
    07:2319:47
  • Sun, Sep 20Sun
    +18°/+13°
    feels +17°0.9 mm · 35%15 km/hUV 4 · Mod
    07:2419:45
  • Mon, Sep 21Mon
    +18°/+12°
    feels +16°0 mm · 20%11 km/hUV 4 · Mod
    07:2619:43
  • Tue, Sep 22Tue
    +20°/+11°
    feels +18°0 mm · 17%14 km/hUV 4 · Mod
    07:2719:40
  • Wed, Sep 23Wed
    +16°/+14°
    feels +14°2.4 mm · 33%22 km/hUV 4 · Mod
    07:2919:38
  • Thu, Sep 24Thu
    +15°/+12°
    feels +12°19.2 mm · 31%22 km/hUV 4 · Mod
    07:3119:36
  • Fri, Sep 25Fri
    +0°/+0°
    feels +0°4.8 mm · 26%0 km/hUV 3 · Mod
    07:3219:33

Weather Insight

Rotterdam's 15-day outlook ranges from a low of 0°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 42), with no notable outdoor health concerns.

Today vs Normal

20°C+1° above normal

The long-term average high for today is 19°C.

15 of the last 19 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
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 0°C to 22°C, averaging a daily high of 17°C. The extended outlook indicates significant rainfall totalling 51.9 mm spread across 12 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.