5-day weather forecast Barcelona 18-05-2026
Weather forecast Barcelona today 18.05.2026: patchy rain possible, temperature from 15 °C to 19 °C.
Precipitation probability 64%. Wind up to 5.19 m/s (gusts 6.53 m/s). Air humidity 65–84%, atmospheric pressure 762–764 mm Hg, UV index up to 6.9.
Sunset 21:06
Moonrise 07:20 · Moonset 23:44
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 17 °C | 0% | 49% | 73% | 763 mm Hg | SSW 207° 2.69 (3.53) m/s | 0 |
| 01:00 | Partly cloudy | 15 °C | 64% (0.01 mm/hr) | 50% | 82% | 763 mm Hg | SSW 206° 2.61 (3.36) m/s | 0 |
| 02:00 |  Patchy rain possible | 17 °C | 71% (0.04 mm/hr) | 84% | 78% | 763 mm Hg | SSW 211° 2.5 (3.28) m/s | 0 |
| 03:00 | Patchy rain possible | 17 °C | 82% (0.03 mm/hr) | 74% | 79% | 762 mm Hg | SW 218° 2.19 (2.89) m/s | 0 |
| 04:00 | Patchy rain possible | 17 °C | 81% (0.04 mm/hr) | 94% | 80% | 763 mm Hg | SW 224° 1.81 (2.39) m/s | 0 |
| 05:00 | Patchy rain possible | 16 °C | 100% (0.26 mm/hr) | 71% | 82% | 762 mm Hg | S 191° 1.5 (2.03) m/s | 0 |
| 06:00 | Patchy rain possible | 16 °C | 100% (0.54 mm/hr) | 89% | 84% | 762 mm Hg | SW 230° 1.5 (2.25) m/s | 0 |
| 07:00 |  Patchy rain possible | 16 °C | 89% (0.01 mm/hr) | 76% | 83% | 763 mm Hg | SW 235° 1.39 (1.92) m/s | 0 |
| 08:00 |  Sunny | 16 °C | 0% | 24% | 81% | 763 mm Hg | SSW 200° 1.39 (1.78) m/s | 0.4 |
| 09:00 | Patchy rain possible | 17 °C | 100% (0.12 mm/hr) | 85% | 78% | 763 mm Hg | SSW 205° 2.19 (2.64) m/s | 1.1 |
| 10:00 | Patchy rain possible | 18 °C | 80% (0.03 mm/hr) | 100% | 73% | 764 mm Hg | SSW 203° 3 (3.47) m/s | 2.4 |
| 11:00 | Patchy rain possible | 18 °C | 79% (0.01 mm/hr) | 83% | 71% | 764 mm Hg | SSW 192° 4 (4.69) m/s | 3.9 |
| 12:00 | Patchy rain possible | 19 °C | 100% (0.07 mm/hr) | 82% | 67% | 764 mm Hg | SSW 194° 4.61 (5.28) m/s | 5.6 |
| 13:00 | Patchy rain possible | 19 °C | 100% (0.08 mm/hr) | 79% | 65% | 764 mm Hg | SSW 193° 5 (6.11) m/s | 6.9 |
| 14:00 |  Patchy light drizzle | 19 °C | 100% (0.36 mm/hr) | 52% | 67% | 764 mm Hg | SSW 195° 5.19 (5.97) m/s | 6.9 |
| 15:00 | Patchy rain possible | 19 °C | 100% (0.25 mm/hr) | 81% | 69% | 763 mm Hg | SSW 196° 5 (5.92) m/s | 6.3 |
| 16:00 | Patchy rain possible | 19 °C | 100% (0.08 mm/hr) | 74% | 71% | 763 mm Hg | SSW 198° 5 (5.75) m/s | 4.9 |
| 17:00 | Patchy rain possible | 19 °C | 76% (0.03 mm/hr) | 79% | 72% | 762 mm Hg | SSW 194° 5.11 (6.53) m/s | 3.3 |
| 18:00 | Sunny | 19 °C | 0% | 15% | 73% | 762 mm Hg | SSW 194° 5 (5.78) m/s | 2.1 |
| 19:00 | Sunny | 19 °C | 0% | 20% | 74% | 762 mm Hg | SSW 198° 5 (6.39) m/s | 0.8 |
| 20:00 | Sunny | 19 °C | 0% | 24% | 76% | 762 mm Hg | SSW 208° 4.81 (5.83) m/s | 0.3 |
| 21:00 |  Partly cloudy | 18 °C | 0% | 29% | 78% | 763 mm Hg | SSW 213° 4.5 (5.83) m/s | 0 |
| 22:00 | Partly cloudy | 18 °C | 0% | 33% | 79% | 763 mm Hg | SW 219° 4.31 (5.72) m/s | 0 |
| 23:00 | Partly cloudy | 18 °C | 0% | 45% | 80% | 764 mm Hg | SW 227° 3.5 (4.72) m/s | 0 |
Frequently asked questions about the weather in Barcelona
Today in Barcelona the temperature ranges from 15 °C to 19 °C, wind up to 5.19 m/s. Check the detailed hourly forecast above for more information.
The precipitation probability in Barcelona today is 64%. View the full multi-day forecast above to see the rain chances for each upcoming day.
The wind speed in Barcelona today reaches up to 5.19 m/s with gusts up to 6.53 m/s. Check the detailed wind chart above for hourly wind data.
The air humidity in Barcelona today ranges from 65% to 84%. View the humidity chart above for hourly details.
The UV index in Barcelona today reaches up to 6.9. Check the UV index chart above for hourly values throughout the day.
The atmospheric pressure in Barcelona today ranges from 762 to 764 mm Hg. View the pressure chart above for hourly readings.
Cloud cover in Barcelona today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.
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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.