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)	3.19	3	2.69	2.39	2.61	2.39	2	1.69	1.89	2.39	3.11	3.39	4.11	5	5.81	6	6.19	6.31	6.39	6.19	5.81	5.39	4.81	4.31
Wind gust (m/s)	5.44	5.03	4.53	4.08	4.39	4.14	3.56	3.03	2.92	3.31	4.14	4.67	5.64	6.53	7.17	7.47	7.72	7.78	8.14	8.14	8.08	7.92	7.19	6.58
Wind direction (°)	NNW 330°	NNW 332°	NNW 336°	NNW 330°	NNW 331°	NNW 329°	NNW 333°	NNW 330°	NNW 329°	NNW 332°	NW 326°	NW 318°	NW 310°	WNW 302°	WNW 302°	WNW 303°	WNW 303°	NW 305°	NW 308°	NW 311°	NW 315°	NW 319°	NW 325°	NNW 328°

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 (%)	78	80	82	83	84	85	85	85	79	69	60	54	50	48	49	50	51	55	60	67	74	82	86	87

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	764	763	763	763	763	762	763	763	763	763	763	763	762	762	762	762	762	762	762	762	762	763	763

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	0.4	1.2	2.6	4.6	6.4	7.6	7.8	6.9	5.1	3.2	1.6	0.5	0.1	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)	6.7	7	6.9	6.9	7.4	7.9	8.4	8.9	9.1	9.1	10.4	13.2	12.6	10.8	9.3	9.2	8.5	7.1	7	6.9	6.3	6.4	5.9	6.6
PM10 (µg/m³)	11.8	12.2	12.5	14.6	15.7	15.3	14.7	14.8	18	20.3	22.3	24.6	42.1	43.3	42.6	42.4	37.9	29.9	21.4	17.7	17.5	17.5	15.8	15.4
Ozone (O₃) (µg/m³)	57	48	45	47	47	45	40	37	31	38	38	40	44	47	50	51	48	44	44	44	47	45	42	40.3
NO₂ (µg/m³)	15.1	15.7	13.6	10.2	9.3	8.9	11.3	13.3	15.4	12.8	11.3	10.1	8.3	6.3	5.7	5.2	5.4	6.1	6.5	7.3	9.3	12	11.9	12
SO₂ (µg/m³)	1.8	2.1	2	1.9	1.6	1.5	1.6	1.7	2	2	2.1	2.2	2.1	2.1	2	1.7	1.4	1.3	1.3	1.3	1.5	1.6	1.6	1.6
CO (µg/m³)	129	132	127	125	121	120	126	134	136	138	132	128	123	125	120	115	116	118	118	120	121	123	123	119.3

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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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5-day weather forecast Lisbon 08-08-2026

Forecast from 20 °C to 28 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction