5-day weather forecast Barcelona 20-05-2026
Weather forecast Barcelona Wednesday, May 20 20.05.2026: sunny, temperature from 18 °C to 23 °C.
No precipitation expected. Wind up to 4.31 m/s (gusts 4.94 m/s). Air humidity 55–77%, atmospheric pressure 767–770 mm Hg, UV index up to 8.7.
Sunrise 06:28
Sunset 21:08
Sunset 21:08
Waxing Crescent15% illuminated
Moonrise 09:42 · Moonset 00:43
Moonrise 09:42 · Moonset 00:43
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 19 °C | 0% | 48% | 76% | 767 mm Hg | ENE 59° 1.19 (1.69) m/s | 0 |
| 01:00 |  Clear | 19 °C | 0% | 24% | 76% | 767 mm Hg | NE 50° 1.11 (1.64) m/s | 0 |
| 02:00 | Clear | 19 °C | 0% | 22% | 77% | 767 mm Hg | NE 44° 1 (1.56) m/s | 0 |
| 03:00 | Partly cloudy | 18 °C | 0% | 25% | 77% | 767 mm Hg | NE 45° 1.19 (1.89) m/s | 0 |
| 04:00 | Clear | 18 °C | 0% | 24% | 77% | 767 mm Hg | NE 47° 1.61 (2.61) m/s | 0 |
| 05:00 | Clear | 18 °C | 0% | 18% | 77% | 767 mm Hg | NE 46° 1.61 (2.69) m/s | 0 |
| 06:00 | Clear | 18 °C | 0% | 12% | 76% | 768 mm Hg | NE 41° 1.69 (2.89) m/s | 0 |
| 07:00 |  Sunny | 18 °C | 0% | 11% | 76% | 768 mm Hg | NE 39° 1.5 (2.53) m/s | 0 |
| 08:00 | Sunny | 19 °C | 0% | 11% | 72% | 769 mm Hg | ENE 57° 1.61 (2.31) m/s | 0.4 |
| 09:00 | Sunny | 20 °C | 0% | 12% | 66% | 769 mm Hg | E 81° 1.61 (2.08) m/s | 1.4 |
| 10:00 | Sunny | 21 °C | 0% | 12% | 63% | 770 mm Hg | ESE 110° 1.61 (1.97) m/s | 2.9 |
| 11:00 | Sunny | 21 °C | 0% | 11% | 61% | 770 mm Hg | SE 145° 2 (2.36) m/s | 4.9 |
| 12:00 | Sunny | 22 °C | 0% | 10% | 59% | 770 mm Hg | SSE 167° 2.5 (2.89) m/s | 6.9 |
| 13:00 | Sunny | 22 °C | 0% | 9% | 58% | 770 mm Hg | S 177° 2.81 (3.22) m/s | 8.3 |
| 14:00 | Sunny | 22 °C | 0% | 7% | 56% | 770 mm Hg | S 182° 3 (3.44) m/s | 8.7 |
| 15:00 | Sunny | 23 °C | 0% | 7% | 55% | 770 mm Hg | S 183° 3.5 (4.03) m/s | 7.9 |
| 16:00 | Sunny | 23 °C | 0% | 8% | 56% | 769 mm Hg | S 177° 4.31 (4.94) m/s | 6.2 |
| 17:00 | Sunny | 22 °C | 0% | 8% | 56% | 769 mm Hg | S 178° 4.11 (4.72) m/s | 4.2 |
| 18:00 | Sunny | 22 °C | 0% | 7% | 57% | 769 mm Hg | S 182° 3.5 (4.14) m/s | 2.4 |
| 19:00 | Sunny | 22 °C | 0% | 7% | 59% | 769 mm Hg | SSW 192° 3.11 (3.86) m/s | 1 |
| 20:00 | Sunny | 21 °C | 0% | 8% | 61% | 769 mm Hg | SSW 200° 2.5 (3.28) m/s | 0.3 |
| 21:00 | Sunny | 21 °C | 0% | 8% | 63% | 769 mm Hg | SSW 212° 2.11 (2.89) m/s | 0 |
| 22:00 | Clear | 21 °C | 0% | 9% | 64% | 770 mm Hg | SW 231° 1.5 (2.17) m/s | 0 |
| 23:00 | Clear | 20 °C | 0% | 10% | 64% | 770 mm Hg | WSW 245° 1.69 (2.58) m/s | 0 |
Barcelona on the map
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.