5-day weather forecast Barcelona Sep 19, 2026

26°20° · Sunny

Weather forecast Barcelona Saturday Sep 19, 2026: sunny, temperature from 20 °C to 26 °C.

Precipitation probability 41%. Wind up to 5.11 m/s (gusts 10.11 m/s). Air humidity 48–76%, atmospheric pressure 764–768 mm Hg, UV index up to 6.2.

Weather Alerts

ModerateSep 17, 10:57 AM — Sep 18, 02:59 PMTranslate with Google

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 07:35
Sunset 19:54

First Quarter63% illuminated
Moonrise 16:27 · Moonset 00:13

Chart

Table

← Fri, Sep 18

Sat, Sep 19, 2026

Sun, Sep 20 →

Forecast from 20 °C to 26 °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)	22	22	22	22	21	21	21	20	20	21	22	23	24	25	26	26	26	25	25	24	24	23	23	23
Precipitation (mm/hr)	0.04	0.31	0.47	0.01	0	0	0	0	0	0	0.01	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 (%)	71	72	79	78	5	2	4	4	2	5	83	5	5	5	5	16	15	5	10	15	9	5	4	5
Rain chance (%)	14	36	41	15	6	7	7	8	7	6	14	4	3	2	2	2	3	3	3	4	4	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)	1.39	1.5	1	1.61	1.81	1.61	1.31	1.11	1.11	1	0.61	0.5	0.81	1.39	2.31	3.39	5.11	4.69	4	3.69	3	1.69	1	0.39
Wind gust (m/s)	2.5	2.42	1.11	1.81	2.33	1.92	1.42	1.14	1.22	1.03	0.81	1	1.31	1.72	2.31	8.39	10.11	9.69	8	8.69	6	2	1.53	1.83
Wind direction (°)	WSW 252°	WSW 249°	WSW 251°	W 278°	NW 318°	NNW 347°	NNE 23°	NNE 33°	N 8°	NNW 347°	WNW 300°	WSW 241°	SW 214°	SSW 201°	S 174°	SSE 162°	SSE 152°	SE 139°	SE 142°	SE 144°	SE 138°	SE 133°	SE 128°	SSW 195°

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 (%)	67	69	71	70	71	73	75	76	75	71	66	62	55	50	48	48	53	56	56	57	59	59	59	60

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)	764	765	765	764	764	764	764	765	765	766	766	767	767	767	766	766	766	767	767	767	767	768	768	768

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	0	0.4	1.4	2.8	4.5	5.8	6.2	5.5	4.1	2.4	1	0.3	0	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)	8.7	8.9	9.2	10.5	10.3	9.7	10	12	14.5	15.6	11.3	9.2	7.6	8.1	8.1	6.4	5.6	5.4	5.6	6.1	7.1	7.9	8.5	9.2
PM10 (µg/m³)	14.3	16.4	14.9	15.1	15.4	15.4	16.7	17.4	18.5	19.8	17.8	17	12.6	12.9	12.5	11.4	11.3	11.4	12.3	12.6	12.9	13.8	15.6	16
Ozone (O₃) (µg/m³)	36	31	31	33	35	34	31	24	21	32	43	60	72	80	90	97	100	100	96	88	78	64	56	50
NO₂ (µg/m³)	53.6	53.3	47.8	43.1	38.3	36.2	33.5	42.1	40.1	34.3	30.9	25.7	17.8	16.2	15	11.8	8.4	7.3	10.5	18	26.6	33.6	49.6	51.6
SO₂ (µg/m³)	4.3	4.2	3.9	3.6	3.4	3.2	3.2	3.5	3.8	4.3	4.5	4	3.6	3.2	2.6	2	1.8	1.6	1.8	2.2	2.8	3.2	3.4	3.8
CO (µg/m³)	196	196	199	193	187	182	183	192	198	203	207	190	187	186	179	172	166	163	165	166	172	178	184	191

← Fri, Sep 18

Sat, Sep 19, 2026

Sun, Sep 20 →

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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.

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