5-day weather forecast Lisbon Sep 21, 2026
34°Weather forecast Lisbon Monday Sep 21, 2026: sunny, temperature from 20 °C to 34 °C.
Precipitation probability 5%. Wind up to 5.39 m/s (gusts 12.5 m/s). Air humidity 13–69%, atmospheric pressure 764–767 mm Hg, UV index up to 8.
5 days at a glance — tap a day to open it
Sunrise 07:23
Sunset 19:35
Sunset 19:35
Waxing Gibbous82% illuminated
Moonrise 17:16 · Moonset 02:11
Moonrise 17:16 · Moonset 02:11
Chart
Table
Mon, Sep 21, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 25 °C | 1% | 0% | 43% | 766 mm Hg | NNE 31° 1.81 (3.19) m/s | 0 |
| 01:00 | Clear | 25 °C | 1% | 0% | 41% | 766 mm Hg | ENE 72° 1.89 (2.72) m/s | 0 |
| 02:00 | Clear | 25 °C | 1% | 0% | 38% | 766 mm Hg | ENE 64° 2 (3.92) m/s | 0 |
| 03:00 | Clear | 25 °C | 1% | 0% | 37% | 766 mm Hg | ENE 68° 2.61 (4.33) m/s | 0 |
| 04:00 | Clear | 23 °C | 1% | 0% | 44% | 766 mm Hg | ENE 74° 3.39 (7.22) m/s | 0 |
| 05:00 | Clear | 22 °C | 2% | 0% | 55% | 766 mm Hg | E 93° 2.81 (5.42) m/s | 0 |
| 06:00 | Clear | 22 °C | 3% | 0% | 61% | 767 mm Hg | E 96° 2.39 (4.33) m/s | 0 |
| 07:00 | Clear | 20 °C | 5% | 0% | 69% | 766 mm Hg | E 94° 3.81 (7.89) m/s | 0 |
| 08:00 | Sunny | 22 °C | 3% | 0% | 60% | 767 mm Hg | E 82° 2.31 (4) m/s | 0 |
| 09:00 | Sunny | 23 °C | 2% | 0% | 53% | 767 mm Hg | E 84° 2.39 (3.83) m/s | 0.6 |
| 10:00 | Sunny | 23 °C | 2% | 5% | 53% | 767 mm Hg | E 91° 3 (4.22) m/s | 1.8 |
| 11:00 | Sunny | 27 °C | 1% | 0% | 39% | 767 mm Hg | E 86° 2.39 (3.5) m/s | 3.5 |
| 12:00 | Sunny | 29 °C | 1% | 0% | 34% | 767 mm Hg | E 87° 2 (2.83) m/s | 5.2 |
| 13:00 | Sunny | 30 °C | 1% | 0% | 33% | 766 mm Hg | E 100° 2 (4.25) m/s | 6.3 |
| 14:00 | Sunny | 33 °C | 0% | 0% | 24% | 766 mm Hg | SSE 150° 0.19 (1.44) m/s | 8 |
| 15:00 | Sunny | 34 °C | 0% | 0% | 22% | 765 mm Hg | W 259° 1.69 (1.81) m/s | 8 |
| 16:00 | Sunny | 34 °C | 0% | 0% | 13% | 764 mm Hg | NNE 32° 0.89 (5.72) m/s | 8 |
| 17:00 | Sunny | 32 °C | 0% | 1% | 27% | 765 mm Hg | WNW 299° 4.31 (7.31) m/s | 8 |
| 18:00 | Sunny | 30 °C | 1% | 2% | 31% | 765 mm Hg | NW 312° 4.89 (6.22) m/s | 7 |
| 19:00 | Sunny | 26 °C | 1% | 0% | 42% | 764 mm Hg | NNW 327° 5.39 (9.61) m/s | 7 |
| 20:00 | Clear | 26 °C | 1% | 0% | 42% | 764 mm Hg | NNW 333° 5.11 (10.61) m/s | 0 |
| 21:00 | Clear | 25 °C | 1% | 0% | 42% | 764 mm Hg | NNW 339° 4.81 (11.5) m/s | 0 |
| 22:00 | Clear | 24 °C | 1% | 0% | 42% | 764 mm Hg | NNW 345° 4.5 (12.5) m/s | 0 |
| 23:00 | Clear | 24 °C | 1% | 0% | 42% | 764 mm Hg | WSW 247° 3.5 (9.81) m/s | 0 |
Mon, Sep 21, 2026
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.