5-day weather forecast Lisbon 18-05-2026
Weather forecast Lisbon today 18.05.2026: sunny, temperature from 12 °C to 19 °C.
No precipitation expected. Wind up to 5.69 m/s (gusts 7.47 m/s). Air humidity 49–80%, atmospheric pressure 764–767 mm Hg, UV index up to 8.1.
Sunset 20:44
Moonrise 07:18 · Moonset 23:21
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 13 °C | 0% | 11% | 76% | 765 mm Hg | NNW 338° 5 (7.47) m/s | 0 |
| 01:00 | Clear | 13 °C | 0% | 11% | 77% | 765 mm Hg | NNW 338° 4.81 (7.31) m/s | 0 |
| 02:00 | Clear | 13 °C | 0% | 15% | 77% | 764 mm Hg | NNW 336° 4.69 (7.22) m/s | 0 |
| 03:00 | Clear | 13 °C | 0% | 13% | 78% | 764 mm Hg | NNW 336° 4.39 (6.83) m/s | 0 |
| 04:00 | Clear | 13 °C | 0% | 17% | 79% | 764 mm Hg | NNW 335° 4.31 (6.83) m/s | 0 |
| 05:00 | Clear | 13 °C | 0% | 18% | 80% | 764 mm Hg | NNW 333° 4.31 (6.89) m/s | 0 |
| 06:00 | Clear | 12 °C | 0% | 15% | 80% | 764 mm Hg | NNW 335° 3.61 (5.89) m/s | 0 |
| 07:00 |  Sunny | 13 °C | 0% | 16% | 80% | 765 mm Hg | NNW 330° 3.31 (5.19) m/s | 0.1 |
| 08:00 |  Partly cloudy | 14 °C | 0% | 26% | 73% | 765 mm Hg | NNW 330° 4.11 (5.44) m/s | 0.5 |
| 09:00 | Sunny | 15 °C | 0% | 17% | 66% | 766 mm Hg | NNW 333° 4.61 (5.67) m/s | 1.5 |
| 10:00 | Sunny | 16 °C | 0% | 22% | 59% | 766 mm Hg | NNW 331° 4.5 (5.19) m/s | 3.1 |
| 11:00 | Sunny | 17 °C | 0% | 12% | 53% | 766 mm Hg | NW 325° 4.11 (4.72) m/s | 5 |
| 12:00 | Partly cloudy | 18 °C | 0% | 32% | 50% | 766 mm Hg | NW 314° 4.19 (4.83) m/s | 7 |
| 13:00 |  Overcast | 19 °C | 0% | 99% | 49% | 766 mm Hg | NW 305° 4.31 (4.94) m/s | 7.8 |
| 14:00 | Partly cloudy | 19 °C | 0% | 53% | 50% | 766 mm Hg | WNW 302° 5.31 (6.11) m/s | 8.1 |
| 15:00 | Sunny | 19 °C | 0% | 22% | 50% | 766 mm Hg | NW 304° 5.69 (6.56) m/s | 7.4 |
| 16:00 | Partly cloudy | 19 °C | 0% | 27% | 51% | 765 mm Hg | NW 304° 5.5 (6.33) m/s | 5.7 |
| 17:00 |  Cloudy | 18 °C | 0% | 67% | 52% | 765 mm Hg | NW 306° 5.39 (6.22) m/s | 3.7 |
| 18:00 | Overcast | 17 °C | 0% | 98% | 56% | 766 mm Hg | NW 308° 5.61 (6.64) m/s | 1.9 |
| 19:00 | Sunny | 16 °C | 0% | 6% | 60% | 766 mm Hg | NW 310° 5.31 (6.67) m/s | 0.7 |
| 20:00 | Sunny | 16 °C | 0% | 8% | 66% | 766 mm Hg | NW 309° 5.11 (6.78) m/s | 0.1 |
| 21:00 | Clear | 15 °C | 0% | 7% | 71% | 767 mm Hg | NW 310° 4.69 (6.61) m/s | 0 |
| 22:00 | Clear | 15 °C | 0% | 11% | 74% | 767 mm Hg | NW 312° 3.89 (5.64) m/s | 0 |
| 23:00 | Clear | 15 °C | 0% | 24% | 77% | 767 mm Hg | NW 321° 3 (4.44) m/s | 0 |
Frequently asked questions about the weather in Lisbon
Today in Lisbon the temperature ranges from 12 °C to 19 °C, wind up to 5.69 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 5.69 m/s with gusts up to 7.47 m/s. Check the detailed wind chart above for hourly wind data.
The air humidity in Lisbon today ranges from 49% to 80%. View the humidity chart above for hourly details.
The UV index in Lisbon today reaches up to 8.1. Check the UV index chart above for hourly values throughout the day.
The atmospheric pressure in Lisbon today ranges from 764 to 767 mm Hg. View the pressure chart above for hourly readings.
Cloud cover in Lisbon today reaches up to 99%. 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.