5-day weather forecast Lisbon 18-07-2026

Weather forecast Lisbon today 18.07.2026: partly cloudy, temperature from 18 °C to 25 °C.

Precipitation probability 16%. Wind up to 7 m/s (gusts 9.08 m/s). Air humidity 52–90%, atmospheric pressure 761–764 mm Hg, UV index up to 9.

Sunrise 06:26
Sunset 20:59

Waxing Crescent23% illuminated
Moonrise 10:55 · Moonset 23:28

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Table

Sat, Jul 18, 2026

Sun, Jul 19 →

Forecast from 18 °C to 25 °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)	19	19	19	18	18	18	18	18	19	21	22	23	24	25	25	25	25	25	24	23	22	21	20	19
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 (%)	9	26	14	21	26	32	32	31	15	5	50	38	59	32	61	88	99	100	44	0	2	14	13	20
Rain chance (%)	10	13	13	14	15	16	16	16	12	7	5	6	7	4	7	10	12	13	6	3	5	9	11	13

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	4.61	4	3.61	3.5	3.5	3.19	3.19	3.69	4.11	4.11	4.19	4.81	5.31	6.11	6.61	6.81	6.89	7	6.81	6.69	6.19	5.81	5.31
Wind gust (m/s)	7.25	6.78	5.94	5.39	5.28	5.22	4.83	4.81	4.89	5.11	5.03	5.06	5.64	6.11	7.03	7.58	7.83	8.17	8.61	8.67	9.08	8.75	8.17	7.47
Wind direction (°)	NNW 341°	NNW 341°	NNW 338°	NNW 337°	NNW 335°	NNW 335°	NNW 335°	NNW 332°	NNW 334°	NNW 335°	NNW 331°	NW 321°	NW 314°	NW 310°	NW 307°	NW 308°	NW 312°	NW 315°	NW 320°	NW 325°	NNW 331°	NNW 333°	NNW 336°	NNW 336°

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 (%)	82	84	86	88	89	90	90	89	84	74	69	59	55	52	52	52	53	55	58	61	67	77	84	86

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	763	763	763	763	763	762	763	763	763	763	763	763	762	762	762	762	761	761	761	761	762	762	762

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	1.8	3.4	5.8	7.8	9	9	7.7	5.9	3.6	1.9	0.8	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)	5.6	5.9	6.5	6.3	6.2	6.1	5.8	5.9	5.9	5.6	5.6	5.6	5.7	5.7	5.5	5.4	5.6	5.4	5.2	5.1	5.2	5.4	6	6.6
PM10 (µg/m³)	10.3	10.8	12.2	12.2	12.4	11.6	11.5	11.2	10.8	10.7	11.2	11.3	11.4	10.9	10.7	10.5	10.8	10.8	10.6	10.4	11	11.7	12.7	13.3
Ozone (O₃) (µg/m³)	73	71	71	69	67	67	64	59	59	64	66	74	81	87	90	91	91	88	87	87	87	86	86	88
NO₂ (µg/m³)	7.6	7.8	7.4	6.4	6.1	6	7.5	9.8	12.3	7.6	6.9	7.2	6.3	5.4	4.9	4.5	4.6	4.8	5.7	6.2	6.2	6.7	8	9.2
SO₂ (µg/m³)	1.2	1.2	1.1	1.1	1.1	1.1	1.2	1.3	1.5	1.4	1.4	1.3	1.3	1.2	1.1	1	1	0.9	1	1	1	1	1.1	1.2
CO (µg/m³)	110	113	110	109	108	109	114	116	120	121	122	123	123	122	117	115	112	111	110	110	110	110	110	109

Sat, Jul 18, 2026

Sun, Jul 19 →

Frequently asked questions about the weather in Lisbon

Today in Lisbon the temperature ranges from 18 °C to 25 °C, wind up to 7 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Lisbon today is 16%. 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 m/s with gusts up to 9.08 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Lisbon today ranges from 52% to 90%. View the humidity chart above for hourly details.

The UV index in Lisbon today reaches up to 9. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Lisbon today ranges from 761 to 764 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 →