5-day weather forecast Barcelona 18-07-2026
Weather forecast Barcelona tomorrow 18.07.2026: sunny, temperature from 26 °C to 31 °C.
Precipitation probability 8%. Wind up to 4.81 m/s (gusts 5.56 m/s). Air humidity 48–75%, atmospheric pressure 759–762 mm Hg, UV index up to 8.1.
Weather Alerts
Hide alertsModerate high-temperature warning. Depresión central de Barcelona
Moderate high-temperature warning
Maximum temperature: 37 ºC. Esta temperatura se alcanzará en la depresión del Ebro.
Be aware, keep up to date with the latest weather forecast. Moderate damages to people and properties may occur, especially to those vulnerable or in exposed areas.
Moderate high-temperature warning. Prelitoral de Girona
Moderate high-temperature warning
Maximum temperature: 36 ºC. En el Pirineo, esta temperatura se alcanzará en los valles orientados al sur.
Be aware, keep up to date with the latest weather forecast. Moderate damages to people and properties may occur, especially to those vulnerable or in exposed areas.
Sunrise 06:33
Sunset 21:21
Sunset 21:21
Waxing Crescent23% illuminated
Moonrise 11:06 · Moonset 23:41
Moonrise 11:06 · Moonset 23:41
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 26 °C | 8% | 13% | 75% | 762 mm Hg | ESE 122° 1.39 (1.75) m/s | 0 |
| 01:00 | Clear | 26 °C | 7% | 3% | 75% | 761 mm Hg | E 87° 1.69 (2.14) m/s | 0 |
| 02:00 | Clear | 26 °C | 7% | 2% | 74% | 761 mm Hg | ENE 61° 2.5 (3.22) m/s | 0 |
| 03:00 | Clear | 26 °C | 6% | 2% | 72% | 761 mm Hg | ENE 71° 2.5 (3.33) m/s | 0 |
| 04:00 | Clear | 26 °C | 6% | 5% | 72% | 761 mm Hg | ENE 72° 1.61 (2.14) m/s | 0 |
| 05:00 | Clear | 26 °C | 6% | 7% | 71% | 761 mm Hg | NE 38° 0.61 (0.81) m/s | 0 |
| 06:00 | Clear | 26 °C | 6% | 6% | 70% | 761 mm Hg | NNE 13° 0.89 (1.25) m/s | 0 |
| 07:00 |  Sunny | 26 °C | 6% | 15% | 69% | 761 mm Hg | NNE 13° 1.39 (1.94) m/s | 0 |
| 08:00 |  Partly cloudy | 27 °C | 6% | 27% | 66% | 761 mm Hg | NW 322° 1.11 (1.47) m/s | 0.4 |
| 09:00 | Sunny | 28 °C | 5% | 24% | 61% | 761 mm Hg | WNW 284° 1.39 (1.78) m/s | 1.3 |
| 10:00 | Partly cloudy | 29 °C | 4% | 27% | 58% | 761 mm Hg | WNW 289° 1 (1.22) m/s | 2.8 |
| 11:00 | Partly cloudy | 30 °C | 5% | 45% | 53% | 761 mm Hg | WSW 238° 0.81 (0.92) m/s | 4.8 |
| 12:00 | Partly cloudy | 30 °C | 3% | 30% | 49% | 761 mm Hg | S 171° 1.5 (1.72) m/s | 6.3 |
| 13:00 | Partly cloudy | 31 °C | 4% | 46% | 48% | 761 mm Hg | S 178° 3.19 (3.67) m/s | 7.6 |
| 14:00 |  Thundery outbreaks possible | 31 °C | 5% | 45% | 50% | 761 mm Hg | S 173° 4.19 (4.83) m/s | 8.1 |
| 15:00 | Thundery outbreaks possible | 30 °C | 5% | 45% | 52% | 761 mm Hg | S 175° 4.81 (5.53) m/s | 7 |
| 16:00 | Sunny | 30 °C | 3% | 21% | 52% | 761 mm Hg | SSE 168° 4.19 (4.83) m/s | 5.6 |
| 17:00 | Sunny | 30 °C | 3% | 14% | 52% | 760 mm Hg | SSE 156° 3.89 (4.5) m/s | 3.5 |
| 18:00 | Partly cloudy | 30 °C | 4% | 27% | 54% | 761 mm Hg | S 189° 4.69 (5.42) m/s | 2 |
| 19:00 | Sunny | 29 °C | 3% | 15% | 54% | 759 mm Hg | ENE 71° 1.5 (1.72) m/s | 0.7 |
| 20:00 | Sunny | 29 °C | 3% | 4% | 56% | 759 mm Hg | SE 145° 1.5 (1.81) m/s | 0.3 |
| 21:00 | Sunny | 28 °C | 3% | 5% | 59% | 761 mm Hg | S 183° 4.39 (5.56) m/s | 0 |
| 22:00 | Clear | 28 °C | 4% | 9% | 62% | 761 mm Hg | NNW 345° 1.19 (1.58) m/s | 0 |
| 23:00 | Clear | 28 °C | 3% | 4% | 58% | 760 mm Hg | NNE 19° 2.61 (3.56) 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.