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)	3.39	3.19	3.31	2.89	2.89	3.5	3.5	3.5	3.19	4.11	3.89	3.5	3.19	3.39	4.11	5.39	6.19	6.19	6.31	6.39	5.5	4.69	4.39	4.11
Wind gust (m/s)	8.11	7.61	7.92	7.61	7.61	8.83	9.22	9.42	8.89	7.42	5.78	4.72	4.03	3.83	4.19	9.39	6.25	7.11	8.14	9.53	10.61	11	10.94	11.03
Wind direction (°)	N 352°	NNW 346°	N 349°	NNW 341°	NNW 341°	NNW 344°	NNW 345°	N 350°	N 356°	N 358°	N 2°	N 1°	N 354°	NNW 340°	NNW 335°	NNW 333°	NNW 332°	NNW 335°	NNW 339°	NNW 343°	NNW 345°	NNW 347°	NNW 346°	NNW 345°

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 (%)	80	80	82	82	82	82	82	82	79	69	58	47	38	33	32	34	40	44	51	58	66	73	77	80

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	766	766	766	766	765	765	765	765	766	766	766	765	765	764	764	764	764	764	764	764	764	765	765

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	5	5	6	6	7	7	7	7	7	7	6	6	6	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)	7.5	7.6	7.6	7.3	7.2	7.1	7.1	7.5	7.3	7.6	6.9	6.7	6.5	6.9	6.8	6.3	6.1	5.5	5.2	4.9	4.7	4.8	4.8	4.8
PM10 (µg/m³)	16.1	16.4	16.4	16.1	15.9	16.3	16.7	16.8	16.6	15.1	14.5	13.7	14	14.3	14.1	13.3	11.9	11.9	11.2	11.2	10.8	10.9	10.6	10.3
Ozone (O₃) (µg/m³)	77	75	78	76	73	70	68	65	63	74	77	81	87	91	93	93	92	88	84	79	74	70	66	63
NO₂ (µg/m³)	9.6	10.4	8.1	7.2	7.1	7.3	9.8	12.9	16.4	10.2	7	5.5	5.3	6.4	7.4	7.2	7	6.4	6.7	7.1	8.8	11.2	12.9	12.8
SO₂ (µg/m³)	1.3	1.3	1.2	1.2	1.3	1.3	1.3	1.4	1.5	1.5	1.4	1.3	1.3	1.2	1.3	1.3	1.2	1.1	1	1	1.1	1.2	1.2	1.2
CO (µg/m³)	157	156	153	153	153	157	164	168	170	166	161	159	158	158	157	156	156	152	149	148	152	154	154	152

← Fri, Aug 28

Sat, Aug 29, 2026

Sun, Aug 30 →

Lisbon 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.

Learn more about our methodology →