5-day weather forecast Lisbon Sep 20, 2026

33°21° · Sunny

Weather forecast Lisbon Sunday Sep 20, 2026: sunny, temperature from 21 °C to 33 °C.

Precipitation probability 4%. Wind up to 5.39 m/s (gusts 10.31 m/s). Air humidity 25–61%, atmospheric pressure 764–767 mm Hg, UV index up to 6.6.

Sunrise 07:22
Sunset 19:37
Waxing Gibbous73% illuminated
Moonrise 16:43 · Moonset 01:10
Chart
Table

Forecast from 21 °C to 33 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)262524232322222121222426283032333230272626252525
Precipitation (mm/hr)000000000000000000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)550000000000000000000000
Rain chance (%)111111114211100001111111

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)1.691.191.611.692.111.691.6122.392.612.692.812.812.391.391.6935.315.394.894.614.313.812.39
Wind gust (m/s)5.111.421.922.223.112.332.222.894.314.034.034.55.194.8344.194.6110.318910.2298.815.69
Wind direction (°)NNE 30°ENE 59°ESE 114°ESE 112°ESE 103°ESE 114°E 89°ENE 73°E 84°E 89°E 92°E 93°E 94°ESE 102°SE 128°SW 216°WNW 282°NW 314°NNW 328°NNW 330°NNW 335°NNW 343°NNW 345°N 356°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)353739414338404161524337323027252531414244454243

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)764764764764764764764765766767767767767766766765764765765765765766766766

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index0000000000.61.83.55.36.46.65.63.92.10.80.20000

Air quality & pollen

Air quality is available for the first three days only.

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.