5-day weather forecast Barcelona 21-03-2026
Weather forecast Barcelona Saturday 21 March 21.03.2026: partly cloudy, temperature from 12 °C to 15 °C.
Precipitation probability 60%. Wind up to 4.5 m/s (gusts 5.78 m/s). Air humidity 49–67%, atmospheric pressure 758–759 mm Hg, UV index up to 3.8.
Sunrise 06:59
Sunset 19:01
Sunset 19:01
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 12 °C | 0% | 95% | 66% | 758 mm Hg | ENE 58° 4.5 (5.78) m/s | 0 |
| 01:00 |  Patchy rain possible | 12 °C | 60% (0.01 mm/hr) | 97% | 66% | 758 mm Hg | NE 49° 4.11 (5.17) m/s | 0 |
| 02:00 | Patchy rain possible | 12 °C | 70% (0.02 mm/hr) | 69% | 66% | 758 mm Hg | NE 45° 4 (5.11) m/s | 0 |
| 03:00 | Patchy rain possible | 12 °C | 71% (0.01 mm/hr) | 71% | 66% | 758 mm Hg | NE 46° 3.5 (4.5) m/s | 0 |
| 04:00 |  Partly cloudy | 12 °C | 0% | 45% | 66% | 758 mm Hg | NE 50° 3.39 (4.42) m/s | 0 |
| 05:00 | Partly cloudy | 12 °C | 0% | 50% | 67% | 758 mm Hg | NE 54° 2.81 (3.67) m/s | 0 |
| 06:00 | Patchy rain possible | 12 °C | 86% (0.01 mm/hr) | 87% | 67% | 758 mm Hg | NE 44° 2.39 (3.14) m/s | 0 |
| 07:00 |  Partly cloudy | 12 °C | 0% | 49% | 67% | 758 mm Hg | NNE 26° 2.19 (2.94) m/s | 0 |
| 08:00 | Partly cloudy | 12 °C | 0% | 50% | 63% | 758 mm Hg | NNE 27° 2.19 (2.78) m/s | 0.3 |
| 09:00 |  Patchy rain possible | 13 °C | 78% (0.01 mm/hr) | 66% | 59% | 758 mm Hg | NE 36° 1.81 (2.17) m/s | 0.9 |
| 10:00 | Partly cloudy | 13 °C | 0% | 61% | 56% | 758 mm Hg | NE 48° 1.31 (1.5) m/s | 1.9 |
| 11:00 | Partly cloudy | 14 °C | 0% | 44% | 53% | 758 mm Hg | NE 53° 1.39 (1.61) m/s | 3 |
| 12:00 | Partly cloudy | 15 °C | 0% | 45% | 49% | 758 mm Hg | E 96° 1 (1.14) m/s | 3.7 |
| 13:00 | Partly cloudy | 15 °C | 0% | 45% | 51% | 758 mm Hg | SE 146° 2.5 (2.89) m/s | 3.8 |
| 14:00 | Partly cloudy | 15 °C | 0% | 47% | 55% | 758 mm Hg | SSE 151° 3.81 (4.36) m/s | 3.6 |
| 15:00 |  Cloudy | 14 °C | 0% | 82% | 59% | 758 mm Hg | SSE 161° 3.61 (4.14) m/s | 2.7 |
| 16:00 | Partly cloudy | 14 °C | 0% | 48% | 60% | 758 mm Hg | S 177° 3.11 (3.58) m/s | 1.6 |
| 17:00 |  Overcast | 14 °C | 0% | 93% | 60% | 758 mm Hg | S 182° 2.19 (2.58) m/s | 0.7 |
| 18:00 | Partly cloudy | 14 °C | 0% | 61% | 61% | 758 mm Hg | S 182° 1.81 (2.19) m/s | 0.2 |
| 19:00 | Partly cloudy | 13 °C | 0% | 43% | 62% | 758 mm Hg | S 190° 1.61 (2) m/s | 0 |
| 20:00 | Partly cloudy | 13 °C | 0% | 35% | 63% | 758 mm Hg | SW 214° 1.81 (2.28) m/s | 0 |
| 21:00 | Partly cloudy | 13 °C | 0% | 29% | 63% | 759 mm Hg | SW 230° 2 (2.53) m/s | 0 |
| 22:00 | Partly cloudy | 13 °C | 0% | 25% | 65% | 759 mm Hg | WSW 238° 2 (2.61) m/s | 0 |
| 23:00 |  Clear | 13 °C | 0% | 23% | 67% | 759 mm Hg | WSW 238° 2.11 (2.81) m/s | 0 |
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.