5-day weather forecast Lisbon 17-05-2026

Weather forecast Lisbon today 17.05.2026: partly cloudy, temperature from 13 °C to 19 °C.

Precipitation probability 68%. Wind up to 7.61 m/s (gusts 9.47 m/s). Air humidity 55–83%, atmospheric pressure 763–765 mm Hg, UV index up to 7.1.

Sunrise 06:23
Sunset 20:43

Waxing Crescent0% illuminated
Moonrise 06:22 · Moonset 22:09

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Sun, May 17, 2026

Mon, May 18 →

Forecast from 13 °C to 19 °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)	14	14	14	14	13	13	13	14	15	16	17	18	19	19	19	19	19	18	17	16	15	14	14	14
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0.03	0.03	0.01	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 (%)	25	28	31	38	25	29	46	36	100	100	29	31	82	76	89	17	3	0	0	0	2	3	5	10
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	68	71	70	0	0	0	0	0	0	0	0	0

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)	5.39	5.69	6	5.39	4.69	4.19	4.31	4.39	5	5.69	5.61	5.81	6.31	6.19	5.69	5.81	7.31	7.61	7	7	7.19	6.11	5.89	5.39
Wind gust (m/s)	7.78	8.36	8.75	8	7.11	6.36	6.67	6.61	6.67	7.08	6.53	6.67	7.25	7.14	6.56	6.67	8.39	8.75	8.06	8.64	9.47	8.61	8.53	7.92
Wind direction (°)	NNW 337°	NNW 337°	NNW 334°	NNW 336°	NNW 335°	NNW 337°	NNW 330°	NNW 329°	NNW 328°	NNW 328°	NNW 328°	NW 324°	NW 320°	NW 324°	NNW 332°	NNW 328°	NW 321°	NW 321°	NW 324°	NNW 328°	NNW 333°	NNW 336°	NNW 341°	NNW 341°

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 (%)	75	75	76	79	82	81	83	83	79	72	65	62	60	60	57	56	55	55	55	57	64	70	72	75

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	764	764	764	763	763	764	764	764	764	764	764	764	764	763	763	763	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	0.1	0.5	1.3	2.8	4.6	6.2	7.1	6.9	5.9	5.1	3.3	1.7	0.7	0.2	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)	5.5	5.1	4.9	4.9	4.7	4.6	4.8	5	5.6	5.7	5.1	4.8	4.8	4.6	4.5	4.5	4.7	4.3	5	5.1	6.1	6.5	6.9	7.3
PM10 (µg/m³)	11.1	10.6	10	9.6	9.1	8.5	8.2	8.2	8.8	9.7	8.5	8.4	8.1	7.4	7.5	7.9	7.8	8.3	7.9	9	10.9	11.9	12.4	14
Ozone (O₃) (µg/m³)	82	80	76	74	73	68	65	64	59	59	66	67	69	77	78	80	80	80	82	78	80	85	88	89
NO₂ (µg/m³)	9.3	8.3	7	6.6	6.5	5.9	6.1	7.5	9.7	8.8	7.2	6.2	5.7	5.4	5.3	4.7	4.4	4.6	4.9	5.5	5.3	6.2	6.9	8.6
SO₂ (µg/m³)	1.9	1.9	1.9	1.9	1.9	2	2	2.2	2.4	2.3	2.2	2.1	2	1.9	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	2	2.1
CO (µg/m³)	121.9	118.9	117.9	117.9	117.9	117.9	120.9	122.9	121.9	121.9	121.9	123.9	126.9	125.9	125.9	126.9	120.9	119.9	119.9	122.9	125.9	120.9	121.9	129.9

Sun, May 17, 2026

Mon, May 18 →

Frequently asked questions about the weather in Lisbon

Today in Lisbon the temperature ranges from 13 °C to 19 °C, wind up to 7.61 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Lisbon today is 68%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Lisbon today reaches up to 7.61 m/s with gusts up to 9.47 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Lisbon today ranges from 55% to 83%. View the humidity chart above for hourly details.

The UV index in Lisbon today reaches up to 7.1. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Lisbon today ranges from 763 to 765 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Lisbon today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.

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 →