5-day weather forecast Lisbon 31-08-2026

Weather forecast Lisbon Monday, August 31 31.08.2026: sunny, temperature from 19 °C to 29 °C.

Precipitation probability 19%. Wind up to 7.19 m/s (gusts 13.22 m/s). Air humidity 30–76%, atmospheric pressure 763–764 mm Hg, UV index up to 7.

Sunrise 07:05
Sunset 20:08
Waning Gibbous80% illuminated
Moonrise 21:31 · Moonset 10:24
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Table

Forecast from 19 °C to 29 °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)202020201919191919212426282929292828262422212019
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 (%)0000000000000000000000286
Rain chance (%)3333444442111001111135719

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)4.394.54.193.813.193.112.892.812.893.544.814.615.395.816.1165.895.897.196.195.8965.61
Wind gust (m/s)11.8112.421211.5310.1410.119.539.398.617.617.036.815.815.816.226.226.837.428.0310.7212.3312.3913.2212.89
Wind direction (°)NNW 348°N 350°N 352°N 355°N 354°N 351°N 352°N 349°N 351°N 357°N 358°N 354°N 354°NNW 345°NNW 342°NNW 343°NNW 343°NNW 344°NNW 345°NNW 345°NNW 347°N 351°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 (%)585860606163636361524235313030323234364556667576

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)764764764764764764764764764764764764764764764763763763763763763764764764

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 Index000000005667777777766000

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.