5-day weather forecast Barcelona 21-05-2026
Weather forecast Barcelona Thursday, May 21 21.05.2026: sunny, temperature from 19 °C to 23 °C.
No precipitation expected. Wind up to 3.31 m/s (gusts 4.14 m/s). Air humidity 53–65%, atmospheric pressure 768–770 mm Hg, UV index up to 8.8.
Sunrise 06:27
Sunset 21:09
Sunset 21:09
Waxing Crescent24% illuminated
Moonrise 11:00 · Moonset 01:29
Moonrise 11:00 · Moonset 01:29
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 20 °C | 0% | 11% | 65% | 770 mm Hg | WSW 252° 1.89 (3.03) m/s | 0 |
| 01:00 | Clear | 20 °C | 0% | 10% | 65% | 769 mm Hg | W 259° 2 (3.36) m/s | 0 |
| 02:00 | Clear | 20 °C | 0% | 9% | 65% | 769 mm Hg | W 265° 2.11 (3.67) m/s | 0 |
| 03:00 | Clear | 19 °C | 0% | 9% | 64% | 769 mm Hg | W 272° 2.31 (4.14) m/s | 0 |
| 04:00 | Clear | 19 °C | 0% | 8% | 64% | 769 mm Hg | WNW 284° 2.19 (4.14) m/s | 0 |
| 05:00 | Clear | 19 °C | 0% | 8% | 64% | 769 mm Hg | WNW 301° 2.11 (4.11) m/s | 0 |
| 06:00 | Clear | 19 °C | 0% | 8% | 64% | 768 mm Hg | NW 305° 1.81 (3.64) m/s | 0 |
| 07:00 |  Sunny | 19 °C | 0% | 8% | 65% | 769 mm Hg | WNW 300° 1.61 (3.17) m/s | 0 |
| 08:00 | Sunny | 20 °C | 0% | 8% | 63% | 769 mm Hg | NW 314° 1 (1.67) m/s | 0.5 |
| 09:00 | Sunny | 21 °C | 0% | 7% | 61% | 770 mm Hg | NE 36° 0.61 (0.83) m/s | 1.4 |
| 10:00 | Sunny | 21 °C | 0% | 6% | 59% | 770 mm Hg | E 86° 1.39 (1.86) m/s | 2.9 |
| 11:00 | Sunny | 22 °C | 0% | 5% | 59% | 770 mm Hg | ESE 104° 2.31 (2.92) m/s | 5 |
| 12:00 | Sunny | 22 °C | 0% | 5% | 58% | 770 mm Hg | ESE 109° 3 (3.64) m/s | 7 |
| 13:00 | Sunny | 22 °C | 0% | 4% | 57% | 770 mm Hg | ESE 115° 3.31 (3.86) m/s | 8.3 |
| 14:00 | Sunny | 23 °C | 0% | 3% | 55% | 770 mm Hg | ESE 122° 3.31 (3.81) m/s | 8.8 |
| 15:00 | Sunny | 23 °C | 0% | 2% | 54% | 769 mm Hg | SE 132° 3.11 (3.58) m/s | 6 |
| 16:00 | Sunny | 23 °C | 0% | 0% | 53% | 769 mm Hg | SE 141° 2.89 (3.33) m/s | 6 |
| 17:00 | Sunny | 23 °C | 0% | 0% | 53% | 769 mm Hg | SSE 150° 2.5 (2.89) m/s | 6 |
| 18:00 | Sunny | 23 °C | 0% | 0% | 53% | 768 mm Hg | SSE 154° 2.39 (2.81) m/s | 6 |
| 19:00 | Sunny | 23 °C | 0% | 2% | 55% | 768 mm Hg | SSE 154° 2.11 (2.56) m/s | 6 |
| 20:00 | Sunny | 22 °C | 0% | 3% | 58% | 769 mm Hg | SE 144° 1.61 (2.08) m/s | 6 |
| 21:00 | Sunny | 21 °C | 0% | 4% | 61% | 769 mm Hg | SE 132° 1.31 (1.81) m/s | 6 |
| 22:00 | Clear | 21 °C | 0% | 5% | 63% | 770 mm Hg | ESE 110° 1 (1.44) m/s | 0 |
| 23:00 | Clear | 20 °C | 0% | 5% | 64% | 770 mm Hg | ESE 108° 0.5 (0.75) m/s | 0 |
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Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.