5-day weather forecast Barcelona Sep 17, 2026
23°Weather forecast Barcelona today Sep 17, 2026: patchy rain possible, temperature from 20 °C to 24 °C.
Precipitation probability 52%. Wind up to 5.19 m/s (gusts 5.89 m/s). Air humidity 62–80%, atmospheric pressure 762–764 mm Hg, UV index up to 6.2.
Weather Alerts
Moderate rain warning. Litoral de Barcelona
Moderate rain warning
One-hour accumulated precipitation: 20 mm.
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.
5 days at a glance — tap a day to open it
Sunrise 07:33
Sunset 19:57
Sunset 19:57
First Quarter42% illuminated
Moonrise 14:44 · Moonset 23:20
Moonrise 14:44 · Moonset 23:20
Chart
Table
Thu, Sep 17, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Light rain shower | 22 °C | 41% (0.31 mm/hr) | 90% | 80% | 764 mm Hg | S 189° 3.19 (4.33) m/s | 0 |
| 01:00 | Light rain shower | 22 °C | 39% (0.24 mm/hr) | 100% | 78% | 764 mm Hg | SSE 165° 1.89 (3.11) m/s | 0 |
| 02:00 |  Patchy rain possible | 23 °C | 30% (0.13 mm/hr) | 99% | 74% | 763 mm Hg | SW 214° 2.5 (4.61) m/s | 0 |
| 03:00 | Light rain shower | 22 °C | 20% (0.18 mm/hr) | 64% | 66% | 763 mm Hg | SSW 212° 2.61 (4.03) m/s | 0 |
| 04:00 | Light rain shower | 22 °C | 43% (0.59 mm/hr) | 87% | 65% | 763 mm Hg | SW 217° 2.19 (3.61) m/s | 0 |
| 05:00 | Patchy rain possible | 21 °C | 14% (0.01 mm/hr) | 81% | 68% | 763 mm Hg | SE 140° 1 (1.61) m/s | 0 |
| 06:00 | Patchy rain possible | 21 °C | 38% (0.32 mm/hr) | 86% | 74% | 763 mm Hg | ESE 106° 1.89 (5.89) m/s | 0 |
| 07:00 |  Partly cloudy | 20 °C | 15% | 62% | 78% | 763 mm Hg | ESE 115° 1.61 (5.61) m/s | 0 |
| 08:00 |  Light rain shower | 20 °C | 36% (0.22 mm/hr) | 88% | 80% | 763 mm Hg | SSE 165° 2.11 (2.61) m/s | 0 |
| 09:00 |  Patchy rain possible | 21 °C | 24% (0.02 mm/hr) | 100% | 77% | 763 mm Hg | SSE 160° 1.81 (2.31) m/s | 0.4 |
| 10:00 | Patchy rain possible | 21 °C | 22% (0.03 mm/hr) | 98% | 73% | 764 mm Hg | SSE 147° 1 (1.19) m/s | 1.3 |
| 11:00 | Light rain shower | 21 °C | 52% (0.63 mm/hr) | 100% | 72% | 764 mm Hg | SSW 195° 0.69 (1.42) m/s | 2.8 |
| 12:00 | Light rain shower | 21 °C | 31% (0.19 mm/hr) | 99% | 70% | 764 mm Hg | SSW 203° 1.61 (2.33) m/s | 4.5 |
| 13:00 | Light rain shower | 21 °C | 23% (0.18 mm/hr) | 60% | 72% | 764 mm Hg | S 185° 2.39 (3.22) m/s | 5.8 |
| 14:00 |  Sunny | 22 °C | 5% | 14% | 67% | 763 mm Hg | S 183° 2.89 (3.64) m/s | 6.2 |
| 15:00 | Moderate rain at times | 23 °C | 44% (0.71 mm/hr) | 86% | 62% | 763 mm Hg | SSW 195° 3.89 (4.72) m/s | 5.6 |
| 16:00 | Patchy rain possible | 24 °C | 45% (0.74 mm/hr) | 87% | 62% | 762 mm Hg | SSW 196° 4.69 (5) m/s | 3.7 |
| 17:00 | Patchy rain possible | 23 °C | 13% (0.03 mm/hr) | 72% | 66% | 762 mm Hg | S 191° 5.19 (5.42) m/s | 2.1 |
| 18:00 | Patchy rain possible | 23 °C | 12% (0.02 mm/hr) | 74% | 65% | 762 mm Hg | SSW 201° 5 (5.31) m/s | 1 |
| 19:00 | Patchy rain possible | 23 °C | 36% (0.35 mm/hr) | 89% | 64% | 762 mm Hg | SSW 205° 3.81 (4.5) m/s | 0.3 |
| 20:00 | Partly cloudy | 23 °C | 6% | 26% | 66% | 762 mm Hg | SSW 211° 2.81 (3.89) m/s | 0 |
| 21:00 |  Clear | 22 °C | 6% | 18% | 68% | 762 mm Hg | SSW 209° 2.31 (3.31) m/s | 0 |
| 22:00 | Partly cloudy | 22 °C | 7% | 28% | 69% | 762 mm Hg | SSW 207° 2.11 (2.81) m/s | 0 |
| 23:00 | Patchy rain possible | 22 °C | 13% (0.01 mm/hr) | 71% | 69% | 762 mm Hg | SSW 212° 2.11 (2.89) m/s | 0 |
Thu, Sep 17, 2026
Frequently asked questions about the 5-day weather in Barcelona
What will the weather be like in Barcelona over the next 5 days?
Over the next 5 days in Barcelona the temperature is expected to range from about 20 to 30 °C. See the detailed hourly forecast for each of the 5 days in the charts above.
On which of the next 5 days will it rain in Barcelona?
The chance of rain in Barcelona over the next 5 days reaches 67%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.
How accurate is the 5-day weather forecast for Barcelona?
A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.
Which of the next 5 days in Barcelona will be the warmest and which the coolest?
Over the next 5 days the temperature in Barcelona ranges from about 20 to 30 °C. Compare the warmest and coolest day on the temperature chart above.
Will it be windy in Barcelona over the next 5 days?
Over the next 5 days the wind in Barcelona picks up to 5 m/s. The windiest days are easy to spot on the wind chart above.
Which day of the week in Barcelona is best for a walk or a trip?
For a walk or a trip, pick the days with the lowest chance of rain (up to 67%) and light wind — easy to compare on the 5-day charts above.
How can I best use the 5-day forecast for Barcelona?
The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.
Will I need an umbrella or sunscreen in Barcelona this week?
Rain reaches a 67% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 6.2; sunscreen is worth it from about 3 upwards.
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.