15-Day Weather Forecast - Cluj-Napoca

15-day weather forecast for Cluj-Napoca: temperatures from 6°C (43°F) to 31°C (88°F). Average daily high 20°C (68°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +31°C

15-Day Temperature Trend

31°16°TodaySep19°14°Tmrw20°11°Sun17°11°Mon17°13°Tue17°11°Wed20°11°Thu21°14°Fri23°11°Sat19°12°Sun16°11°Mon16°9°Tue19°6°Wed22°8°Thu23°10°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +31°/+16°
    feels +30°0 mm · 28%17 km/hUV 5 · Mod
    06:5719:45
  • Sat, Sep 12Tomorrow
    +19°/+14°
    feels +19°5.3 mm · 98%18 km/hUV 5 · Mod
    06:5919:43
  • Sun, Sep 13Sun
    +20°/+11°
    feels +17°13 km/hUV 5 · Mod
    07:0019:41
  • Mon, Sep 14Mon
    +17°/+11°
    feels +16°6.4 mm · 35%5 km/hUV 5 · Mod
    07:0119:39
  • Tue, Sep 15Tue
    +17°/+13°
    feels +17°4.7 mm · 30%6 km/hUV 4 · Mod
    07:0319:37
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  • Wed, Sep 16Wed
    +17°/+11°
    feels +18°1.8 mm · 15%5 km/hUV 4 · Mod
    07:0419:35
  • Thu, Sep 17Thu
    +20°/+11°
    feels +20°0.6 mm · 28%11 km/hUV 5 · Mod
    07:0519:33
  • Fri, Sep 18Fri
    +21°/+14°
    feels +19°0.9 mm · 14%9 km/hUV 3 · Mod
    07:0619:31
  • Sat, Sep 19Sat
    +23°/+11°
    feels +22°0 mm · 20%9 km/hUV 4 · Mod
    07:0819:29
  • Sun, Sep 20Sun
    +19°/+12°
    feels +20°9.2 mm · 26%5 km/hUV 4 · Mod
    07:0919:27
  • Mon, Sep 21Mon
    +16°/+11°
    feels +16°8.2 mm · 15%17 km/hUV 4 · Mod
    07:1019:25
  • Tue, Sep 22Tue
    +16°/+9°
    feels +13°0.6 mm · 12%16 km/hUV 4 · Mod
    07:1219:23
  • Wed, Sep 23Wed
    +19°/+6°
    feels +17°0 mm · 14%6 km/hUV 4 · Mod
    07:1319:21
  • Thu, Sep 24Thu
    +22°/+8°
    feels +20°0 mm · 22%17 km/hUV 4 · Mod
    07:1419:19
  • Fri, Sep 25Fri
    +23°/+10°
    feels +21°0.8 mm · 17%15 km/hUV 3 · Mod
    07:1619:17

Weather Insight

Cluj-Napoca's 15-day outlook ranges from a low of 6°C to a high of 31°C, with an average daytime high near 20°C. That's 3° below the long-term average high of 23°C for this time of year. Air quality is currently Moderate (AQI 57), driven mainly by PM2.5 at 14 μg/m³.

Today vs Normal

31°C+8° above normal

The long-term average high for today is 23°C.

16 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: 26°C26°2026-08-20: 35°C35°2026-08-21: 37°C37°2026-08-22: 32°C32°2026-08-23: 28°C28°2026-08-24: 30°C30°2026-08-25: 31°C31°2026-08-26: 25°C25°2026-08-27: 26°C26°2026-08-28: 26°C26°2026-08-29: 30°C30°2026-08-30: 31°C31°

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.

Extended Outlook for Cluj-Napoca

Over the next 15 days, Cluj-Napoca is forecast to see temperatures ranging from 5°C to 31°C, averaging a daily high of 20°C. The extended outlook indicates significant rainfall totalling 38.5 mm spread across 10 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.