5-day weather forecast Lisbon Sep 19, 2026

31°20° · Sunny

Weather forecast Lisbon Saturday Sep 19, 2026: sunny, temperature from 20 °C to 31 °C.

Precipitation probability 4%. Wind up to 4.61 m/s (gusts 11.61 m/s). Air humidity 22–65%, atmospheric pressure 761–764 mm Hg, UV index up to 6.2.

Sunrise 07:21
Sunset 19:39
First Quarter63% illuminated
Moonrise 16:03 · Moonset 00:12
Chart
Table

Forecast from 20 °C to 31 °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)202020202020202020222426283031313130282726262626
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 (%)404000000255000000355555
Rain chance (%)444444322111000000111111

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)2.51.891.611.311.191.311.311.50.810.891.311.611.310.690.891.692.6144.613.8943.813.312.69
Wind gust (m/s)74.422.691.721.251.311.391.720.921.52.52.52.111.721.722.116.6195.426.318.619.929.1111.61
Wind direction (°)NNW 343°N 351°N 11°N 357°N 353°N 2°NNE 26°SE 126°E 100°ENE 59°ENE 62°ENE 74°E 91°SE 125°SSW 211°SW 236°W 261°WNW 286°NW 308°NNW 334°NNW 344°N 354°N 352°N 354°

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 (%)606365656462585151443630262322222327323336373635

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)761761761761761761761761762762763763763763763763762762763763763764764764

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 Index0000000000.61.83.456.16.25.23.71.90.70.20000

Air quality & pollen

Air quality
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
PM2.5 (µg/m³)6.66.66.46.56.46.46.66.97.17.26.96.86.57.18.29.198.57.97.87.87.36.97.9
PM10 (µg/m³)11.811.91212.11211.711.611.911.911.311.710.910.110.211.812.913.914.714.512.511.510.69.610.6
Ozone (O₃) (µg/m³)7368656157524743353944506073911041081131079284817880
NO₂ (µg/m³)10.611.410.19.51011.214.819.322.920.317.417.317.915.61819.319.318.417.118.41717.316.913.9
SO₂ (µg/m³)1.51.51.61.71.81.92.22.733.23.53.73.53.43.33.83.33.12.72.32.21.91.92.1
CO (µg/m³)181182178178179174176183191180183185184184192201196189184189182180177172.3

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.