15-Day Weather Forecast - Cologne

15-day weather forecast for Cologne: temperatures from 8°C (46°F) to 26°C (79°F). Average daily high 18°C (64°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +21°C

15-Day Temperature Trend

21°14°TodaySep23°16°Tmrw19°16°Sun24°16°Mon26°15°Tue18°13°Wed19°11°Thu18°13°Fri17°13°Sat15°12°Sun16°10°Mon18°12°Tue17°10°Wed12°8°Thu14°8°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +21°/+14°
    feels +19°0.3 mm · 27%18 km/hUV 5 · Mod
    07:0119:55
  • Sat, Sep 12Tomorrow
    +23°/+16°
    feels +22°0.1 mm · 27%12 km/hUV 5 · Mod
    07:0219:53
  • Sun, Sep 13Sun
    +19°/+16°
    feels +19°12.6 mm · 87%15 km/hUV 1 · Low
    07:0419:50
  • Mon, Sep 14Mon
    +24°/+16°
    feels +24°4.2 mm · 54%11 km/hUV 5 · Mod
    07:0519:48
  • Tue, Sep 15Tue
    +26°/+15°
    feels +27°12.3 mm · 43%20 km/hUV 5 · Mod
    07:0719:46
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  • Wed, Sep 16Wed
    +18°/+13°
    feels +16°2.7 mm · 58%18 km/hUV 4 · Mod
    07:0819:44
  • Thu, Sep 17Thu
    +19°/+11°
    feels +17°1.2 mm · 41%18 km/hUV 4 · Mod
    07:1019:41
  • Fri, Sep 18Fri
    +18°/+13°
    feels +15°1.2 mm · 30%21 km/hUV 4 · Mod
    07:1119:39
  • Sat, Sep 19Sat
    +17°/+13°
    feels +14°13.8 mm · 27%22 km/hUV 4 · Mod
    07:1319:37
  • Sun, Sep 20Sun
    +15°/+12°
    feels +12°6.0 mm · 28%22 km/hUV 4 · Mod
    07:1519:35
  • Mon, Sep 21Mon
    +16°/+10°
    feels +14°0.6 mm · 20%16 km/hUV 4 · Mod
    07:1619:32
  • Tue, Sep 22Tue
    +18°/+12°
    feels +19°1.2 mm · 29%15 km/hUV 4 · Mod
    07:1819:30
  • Wed, Sep 23Wed
    +17°/+10°
    feels +16°6.0 mm · 32%18 km/hUV 4 · Mod
    07:1919:28
  • Thu, Sep 24Thu
    +12°/+8°
    feels +9°4.5 mm · 31%19 km/hUV 4 · Mod
    07:2119:26
  • Fri, Sep 25Fri
    +14°/+8°
    feels +11°3.3 mm · 27%15 km/hUV 4 · Mod
    07:2219:23

Weather Insight

Cologne's 15-day outlook ranges from a low of 8°C to a high of 26°C, with an average daytime high near 19°C. That's 2° below the long-term average high of 21°C for this time of year. It continues a recent pattern — 14 of the last 28 days with published data have run cooler than normal. Air quality is currently good (AQI 29), with no notable outdoor health concerns.

Today vs Normal

21°C0° below normal

The long-term average high for today is 21°C.

14 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running below normal.

2026-08-28: 23°C23°2026-08-29: 23°C23°2026-08-30: 23°C23°2026-08-31: 21°C21°2026-09-01: 21°C21°2026-09-02: 21°C21°2026-09-03: 21°C21°2026-09-04: 25°C25°2026-09-05: 21°C21°2026-09-06: 24°C24°2026-09-07: 29°C29°2026-09-08: 25°C25°

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 Cologne

Over the next 15 days, Cologne is forecast to see temperatures ranging from 8°C to 27°C, averaging a daily high of 19°C. The extended outlook indicates significant rainfall totalling 70 mm spread across 15 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.