5-day weather forecast Lisbon 20-04-2026

Weather forecast Lisbon today 20.04.2026: sunny, temperature from 14 °C to 23 °C.

No precipitation expected. Wind up to 2.89 m/s (gusts 6.08 m/s). Air humidity 43–74%, atmospheric pressure 755–761 mm Hg, UV index up to 5.5.

Sunrise 06:53
Sunset 20:18

Waxing Crescent9% illuminated
Moonrise 08:35 · Moonset below the horizon

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Table

Mon, Apr 20, 2026

Tue, Apr 21 →

Forecast from 14 °C to 23 °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)	16	15	15	15	14	14	14	14	15	16	18	19	21	23	23	23	23	23	23	22	21	20	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 (%)	5	8	4	2	3	3	8	18	48	45	44	22	8	0	33	10	16	15	49	48	17	12	19	27
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	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)	1.5	1.61	1.69	2.19	2.11	2.19	2.5	2.39	1.5	1.5	1.69	1.89	2.39	2.39	2.5	2.69	2.61	1.81	1.19	1.81	2.19	1.89	2.89	2.61
Wind gust (m/s)	2.97	3.17	3.36	4.33	4.17	4.31	4.89	4.67	2.58	2.22	2.28	2.42	3.11	3.36	3.67	4	3.92	2.72	1.97	3.31	4.5	4	6.08	5.31
Wind direction (°)	NNW 338°	NNE 33°	NE 46°	NE 40°	ENE 58°	ENE 66°	ENE 68°	NE 54°	ENE 63°	ENE 59°	ENE 69°	E 90°	ESE 120°	SE 145°	S 175°	SW 215°	SW 234°	WSW 239°	W 281°	NNW 335°	NNW 327°	NNE 27°	ENE 64°	ENE 75°

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 (%)	73	72	72	72	73	73	74	74	71	67	62	58	54	53	48	47	46	43	44	47	54	57	59	64

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)	761	761	761	761	760	760	760	760	760	760	760	760	759	758	758	758	758	757	756	756	756	756	755	755

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	0.2	0.8	1.8	3.2	4.5	5.5	5.1	5.1	3.8	2	0.9	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)	16.7	14.7	14.4	16	16.3	16.1	16.7	17.9	20.1	22.5	20.8	18.7	17	17.8	16.7	18	16	12.5	13.5	13.3	17.6	18.8	19.8	19.9
PM10 (µg/m³)	24	22.3	22.7	23	21.9	23.2	25	25.9	26.7	28.7	27.1	25.8	24.5	25.1	28.6	27.1	27.8	29.4	31.8	33.2	34.9	34.5	35.8	36.3
Ozone (O₃) (µg/m³)	74	73	64	60	59	57	53	42	28	33	37	60	74	82	95	101	102	99	97	92	83	63	58	62
NO₂ (µg/m³)	20.5	16.5	17.8	16.1	14.4	14.7	18.2	26.9	37.4	47.6	39	29.3	20.6	25	16.7	13.2	12.4	12.6	14.2	22.4	29.9	41.4	46.8	34.8
SO₂ (µg/m³)	3.1	3.1	3	3.1	3.3	3.8	4.4	5.2	6.1	7.4	7.2	5.9	5.4	5.9	5.5	4.6	4.1	3.4	4	4	4.8	4.3	4.5	4.4
CO (µg/m³)	166.9	153.9	150.9	148.9	147.9	153.9	153.9	178.9	194.9	207.9	204.9	177.9	172.9	175.9	175.9	156.9	144.9	144.9	146.9	154.9	170.9	182.9	186.9	173.9

Mon, Apr 20, 2026

Tue, Apr 21 →

Frequently asked questions about the weather in Lisbon

Today in Lisbon the temperature ranges from 14 °C to 23 °C, wind up to 2.89 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Lisbon today is 0%. 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 2.89 m/s with gusts up to 6.08 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Lisbon today ranges from 43% to 74%. View the humidity chart above for hourly details.

The UV index in Lisbon today reaches up to 5.5. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Lisbon today ranges from 755 to 761 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Lisbon today reaches up to 49%. 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 →