5-day weather forecast Lisbon Sep 17, 2026
24°Weather forecast Lisbon today Sep 17, 2026: sunny, temperature from 18 °C to 29 °C.
Precipitation probability 20%. Wind up to 7.31 m/s (gusts 15.14 m/s). Air humidity 20–74%, atmospheric pressure 761–763 mm Hg, UV index up to 6.6.
5 days at a glance — tap a day to open it
Sunrise 07:19
Sunset 19:42
Sunset 19:42
First Quarter42% illuminated
Moonrise 14:20 · Moonset 23:18
Moonrise 14:20 · Moonset 23:18
Chart
Table
Thu, Sep 17, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 19 °C | 18% | 100% | 70% | 763 mm Hg | N 350° 6.61 (14.42) m/s | 0 |
| 01:00 |  Partly cloudy | 19 °C | 7% | 33% | 68% | 762 mm Hg | N 350° 5.81 (12.72) m/s | 0 |
| 02:00 | Overcast | 19 °C | 17% | 95% | 69% | 762 mm Hg | N 352° 6.31 (12.83) m/s | 0 |
| 03:00 | Overcast | 18 °C | 19% | 100% | 72% | 762 mm Hg | N 353° 5.39 (11.81) m/s | 0 |
| 04:00 | Overcast | 18 °C | 20% | 100% | 74% | 761 mm Hg | N 353° 3.89 (8.92) m/s | 0 |
| 05:00 | Overcast | 18 °C | 20% | 100% | 74% | 761 mm Hg | N 0° 2.19 (5.03) m/s | 0 |
| 06:00 | Overcast | 18 °C | 20% | 100% | 74% | 762 mm Hg | N 355° 2 (4.81) m/s | 0 |
| 07:00 | Overcast | 18 °C | 17% | 92% | 70% | 762 mm Hg | N 7° 2 (4.5) m/s | 0 |
| 08:00 |  Sunny | 19 °C | 4% | 4% | 62% | 762 mm Hg | NNE 16° 2.11 (6.5) m/s | 0.1 |
| 09:00 | Sunny | 20 °C | 2% | 5% | 48% | 763 mm Hg | NNE 31° 3.11 (7.5) m/s | 0.6 |
| 10:00 | Sunny | 22 °C | 1% | 5% | 35% | 763 mm Hg | NNE 33° 3.61 (7.5) m/s | 1.8 |
| 11:00 | Sunny | 25 °C | 1% | 5% | 26% | 763 mm Hg | NNE 29° 3.69 (6.11) m/s | 3.5 |
| 12:00 | Sunny | 26 °C | 1% | 5% | 22% | 763 mm Hg | NNE 12° 3.81 (5.42) m/s | 5.2 |
| 13:00 | Sunny | 28 °C | 1% | 5% | 20% | 762 mm Hg | N 5° 3.61 (4.92) m/s | 6.4 |
| 14:00 | Sunny | 29 °C | 0% | 1% | 20% | 762 mm Hg | N 355° 4.11 (5.22) m/s | 6.6 |
| 15:00 | Sunny | 29 °C | 1% | 6% | 22% | 761 mm Hg | NNW 346° 5.31 (5.61) m/s | 5.7 |
| 16:00 |  Partly cloudy | 27 °C | 3% | 40% | 27% | 761 mm Hg | NNW 341° 6.89 (11.89) m/s | 4 |
| 17:00 | Partly cloudy | 26 °C | 3% | 46% | 32% | 761 mm Hg | NNW 342° 6.69 (7) m/s | 2.2 |
| 18:00 | Overcast | 24 °C | 9% | 96% | 36% | 761 mm Hg | NNW 346° 7.11 (9.31) m/s | 0.8 |
| 19:00 | Overcast | 22 °C | 11% | 100% | 46% | 761 mm Hg | NNW 346° 7.31 (12.33) m/s | 0.2 |
| 20:00 |  Clear | 20 °C | 3% | 5% | 57% | 761 mm Hg | N 351° 6.81 (13.92) m/s | 0 |
| 21:00 | Clear | 19 °C | 4% | 5% | 62% | 762 mm Hg | N 354° 7.11 (14.92) m/s | 0 |
| 22:00 | Clear | 19 °C | 5% | 5% | 65% | 762 mm Hg | N 357° 6.69 (15.14) m/s | 0 |
| 23:00 | Overcast | 19 °C | 17% | 100% | 67% | 762 mm Hg | N 355° 5.61 (14.22) m/s | 0 |
Thu, Sep 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 17 to 34 °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 24%. 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 17 to 34 °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 7 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 24%) 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.
Will I need an umbrella or sunscreen in Lisbon this week?
Rain reaches a 24% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 6.6; sunscreen is worth it from about 3 upwards.
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.