5-day weather forecast Lisbon 17-08-2026

Weather forecast Lisbon today 17.08.2026: patchy rain possible, temperature from 10 °C to 11 °C.

Precipitation probability 36%. Wind up to 11.5 m/s (gusts 13.39 m/s). Air humidity 54–77%, atmospheric pressure 763–767 mm Hg, UV index up to 7.4.

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ModerateAug 15, 01:45 AMAug 17, 07:00 PMTranslate with Google
Yellow High Temperature Warning for Setúbal

Yellow High Temperature Warning

Persistence of high values of maximum temperature.
Sunrise 06:52
Sunset 20:28
Waxing Crescent27% illuminated
Moonrise 12:08 · Moonset 22:47
Chart
Table
Mon, Aug 17, 2026

Forecast from 10 °C to 11 °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)101010101010101010101010101010101111111110111111
Precipitation (mm/hr)0.120.190.020.040.030.030.070.060.0500000.010.020.0200.010.010.080.190.20.10.12

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 (%)847152606176927186689849387880805856999100968488
Rain chance (%)2324910111319171581366121313415132635362728

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)11.511.3911.119.6998.58.318.3198.818.197.57.116.897.617.818.198.318.81999.319.319.39
Wind gust (m/s)13.3912.8113.0312.1110.9210.6110.2210.429.839.819.839.148.038.448.728.949.59.4210.1110.3310.5310.6110.510.31
Wind direction (°)WSW 240°WSW 239°SW 232°SW 233°SW 235°WSW 240°WSW 242°WSW 246°WSW 243°WSW 244°WSW 251°WSW 256°W 265°W 274°W 276°W 277°W 277°WNW 287°WNW 288°WNW 286°WNW 288°WNW 285°W 278°WNW 283°

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 (%)666760596061606057545454575960606165677275777674

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)763763764764764764764765765766767767767767767766766766766766767767767767

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 Index000000000.31.12.64.46.27.47.36.34.62.71.20.40000

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)11.311.81110.910.51212.71416.617.818.519.919.218.316.416.215.11516.117.616.815.51515
PM10 (µg/m³)21.321.51919.720.521.722.122.424.4242527.327.32826.925.424.12527.826.826.72524.323.5
Ozone (O₃) (µg/m³)8169636053484033294356778811413113112511711211291969985
NO₂ (µg/m³)14.817.216.115.115.917.223.635.636.635.831.82922.914.211.311.29.38.811.714.220.524.223.522.7
SO₂ (µg/m³)22.32.52.62.93.244.85.75.46.87.36.85.94.12.82.62.73.13.33.43.22.62.6
CO (µg/m³)171172175171171179186201229203210204189188178169161160168166173177173171
Mon, Aug 17, 2026

Frequently asked questions about the 5-day weather in Lisbon

What will the weather be like in Lisbon over the next 5 days?
Over the next 5 days in Lisbon the temperature is expected to range from about 10 to 13 °C. See the detailed hourly forecast for each of the 5 days in the charts above.
On which of the next 5 days will it rain in Lisbon?
The chance of rain in Lisbon over the next 5 days reaches 82%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.
How accurate is the 5-day weather forecast for Lisbon?
A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.
Which of the next 5 days in Lisbon will be the warmest and which the coolest?
Over the next 5 days the temperature in Lisbon ranges from about 10 to 13 °C. Compare the warmest and coolest day on the temperature chart above.
Will it be windy in Lisbon over the next 5 days?
Over the next 5 days the wind in Lisbon picks up to 19 m/s. The windiest days are easy to spot on the wind chart above.
Which day of the week in Lisbon is best for a walk or a trip?
For a walk or a trip, pick the days with the lowest chance of rain (up to 82%) and light wind — easy to compare on the 5-day charts above.
How can I best use the 5-day forecast for Lisbon?
The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

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.