Tomorrow's Weather Forecast - Barcelona

Tomorrow's weather in Barcelona. high 26°C (79°F), low 20°C (68°F). Overcast.

Tomorrow’s Outlook

Tomorrow brings a similar temperature to today. Expect pleasant, mostly clear skies with little chance of rain. Humidity sits at a moderate 69%, so the air shouldn't feel unusually damp or dry. A light breeze near 13 km/h is expected. Sunrise is at 7:28 AM and sunset at 8:06 PM, for about 12h 37m of daylight.

Tomorrow
26°/ 20°
Today27° / 20°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon22°
Rain probability
0%
Wind speed
5 km/h
AfternoonNoon – 6 PM26°
Rain probability
0%
Wind speed
13 km/h
Evening6 PM – Midn25°
Rain probability
0%
Wind speed
12 km/h
NightMidn – 6 AM21°
Rain probability
0%
Wind speed
5 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep
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Temperature · peaks at +26°C

Planning Advice for Tomorrow

Clothing
Light layers work well; a jacket for the evening.
Outdoor
Good conditions for outdoor activities.
Travel
Standard travel conditions expected.

Sunrise & Sunset

Sunrise
Dawn 6:58 AM
Total Daylight
Full day forecastSolar noon 1:47 PM
Sunset
Dusk 8:36 PM
vs today-3 min daylight
Sunrise shift1 min later
Sunset shift1 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Barcelona is forecast to reach a high of 26°C tomorrow, with an overnight low around 20°C. Expect little chance of rain (0% probability) and a gentle breeze averaging 13 km/h. Air quality is currently good (AQI 37), with no notable outdoor health concerns.

Today vs Normal

27°C+1° above normal

The long-term average high for today is 26°C.

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

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

2026-08-28: 29°C29°2026-08-29: 30°C30°2026-08-30: 32°C32°2026-08-31: 31°C31°2026-09-01: 30°C30°2026-09-02: 32°C32°2026-09-03: 33°C33°2026-09-04: 36°C36°2026-09-05: 35°C35°2026-09-06: 36°C36°2026-09-07: 33°C33°2026-09-08: 34°C34°

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.