5-day weather forecast Barcelona 04-07-2026

Weather forecast Barcelona today 04.07.2026: sunny, temperature from 26 °C to 30 °C.

Precipitation probability 3%. Wind up to 4.69 m/s (gusts 6.03 m/s). Air humidity 43–55%, atmospheric pressure 766–767 mm Hg, UV index up to 9.2.

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ModerateJul 2, 09:31 AM — Jul 4, 06:59 PMTranslate with Google

Moderate high-temperature warning. Depresión central de Barcelona

Moderate high-temperature warning

Maximum temperature: 36 ºC. En Pirineos, el aviso se refiere especialmente a los valles y cuencas del 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.

ModerateJul 2, 05:01 PM — Jul 4, 06:59 PMTranslate with Google

Moderate high-temperature warning. Depresión central de Barcelona

Moderate high-temperature warning

Maximum temperature: 36 ºC. En Pirineos, el aviso se refiere especialmente a los valles y cuencas del sur. En el Prelitoral sur de Tarragona el aviso se refiere a la mitad 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 06:23
Sunset 21:28

Waning Gibbous70% illuminated
Moonrise Does not rise today · Moonset 10:45

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Table

Sat, Jul 4, 2026

Sun, Jul 5 →

Forecast from 26 °C to 30 °C and precipitation

Temperature & Precipitation
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Temperature (°C)	28	27	27	27	27	26	26	26	27	28	28	29	30	30	30	30	30	30	30	29	29	28	28	28
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Cloud cover (%)	10	12	12	8	5	6	6	7	6	6	5	5	5	4	0	4	4	4	3	3	5	8	8	8
Rain chance (%)	3	3	3	2	2	2	2	2	2	2	2	1	1	1	1	1	1	2	2	2	2	3	3	3

Wind speed and direction

Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	3.31	3.5	3.31	2.69	2.31	2	1.61	1.31	1	0.69	0.31	1.39	2.5	3.5	3.89	4.5	4.69	4.39	3.89	3.5	3.19	3.31	3.69	4.11
Wind gust (m/s)	4.97	5.28	5.03	4.14	3.61	3.22	2.61	2.03	1.36	0.89	0.36	1.61	2.89	4.03	4.5	5.17	5.42	5.06	4.5	4.11	4.08	4.42	5.17	6.03
Wind direction (°)	WSW 255°	W 266°	W 274°	W 277°	W 274°	W 273°	WNW 282°	NW 304°	NW 312°	NW 322°	E 88°	SE 136°	SSE 164°	S 181°	S 188°	S 191°	S 186°	S 185°	SSW 194°	SSW 201°	SSW 208°	SW 221°	WSW 237°	WSW 249°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	53	52	52	51	51	52	52	53	51	50	47	44	43	44	52	47	47	48	50	52	54	55	55	54

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	767	767	767	767	767	767	767	767	767	767	767	767	767	767	767	767	766	766	766	766	766	766	767	767

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0.1	0.6	1.6	3.3	5.4	7.5	8.9	9.2	8.5	6.8	4.7	2.7	1.2	0.4	0	0	0

Air quality & pollen

Air quality
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
PM2.5 (µg/m³)	6.5	6.7	6.6	6.4	6.5	7.6	8.8	9.6	9.2	8.8	7.5	7.3	7.2	6.6	6.1	5.9	4.7	4.5	5	5.2	5.2	5.4	6.1	7.6
PM10 (µg/m³)	12.2	11.6	11.8	12.4	13.2	14	15	16.1	16.6	14	13.4	13.7	14.6	12.7	9.8	9.1	8.3	8.3	8	8.4	9.4	10.2	11.1	12.1
Ozone (O₃) (µg/m³)	39	42	38	31	18	18	14	16	26	45	54	65	80	85	84	86	87	87	88	88	82	74	72	68
NO₂ (µg/m³)	35.3	34.4	31.2	31.3	38.1	37.9	39.8	41.3	41.8	35	25.1	19.8	16.3	12.9	9.2	7.1	6.3	6.1	7.2	9.2	13.4	17.6	23.4	28.8
SO₂ (µg/m³)	3	3	3	3.2	3.6	4.2	4.6	5.1	5.6	5.4	4.9	3.6	3.4	2.6	1.7	1.3	1	1	1	1.1	1.3	1.5	1.8	2.2
CO (µg/m³)	119	120	122	122	125	133	131	140	156	141	142	136	120	112	104	101	100	100	102	104	105	106	110	113

Sat, Jul 4, 2026

Sun, Jul 5 →

Frequently asked questions about the weather in Barcelona

Today in Barcelona the temperature ranges from 26 °C to 30 °C, wind up to 4.69 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Barcelona today is 3%. 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 4.69 m/s with gusts up to 6.03 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Barcelona today ranges from 43% to 55%. View the humidity chart above for hourly details.

The UV index in Barcelona today reaches up to 9.2. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Barcelona today ranges from 766 to 767 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Barcelona today reaches up to 12%. 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.

Learn more about our methodology →