5-day weather forecast Lisbon 21-05-2026

Weather forecast Lisbon Thursday, May 21 21.05.2026: sunny, temperature from 18 °C to 30 °C.

No precipitation expected. Wind up to 2.61 m/s (gusts 5.47 m/s). Air humidity 32–67%, atmospheric pressure 764–766 mm Hg, UV index up to 8.2.

Sunrise 06:20
Sunset 20:47
Waxing Crescent24% illuminated
Moonrise 10:55 · Moonset 01:07
Chart
Table
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
20 °C0% 0%60%765 mm HgWNW 290° 1 (2.11) m/s0
01:00Weather
Clear
20 °C0% 0%60%765 mm HgWNW 284° 0.5 (1.06) m/s0
02:00Weather
Clear
20 °C0% 2%60%765 mm HgE 94° 0.69 (1.47) m/s0
03:00Weather
Clear
19 °C0% 2%60%764 mm HgE 85° 1.89 (4) m/s0
04:00Weather
Clear
19 °C0% 3%63%764 mm HgE 90° 2.61 (5.47) m/s0
05:00Weather
Clear
18 °C0% 3%66%764 mm HgESE 104° 1.61 (3.36) m/s0
06:00Weather
Clear
18 °C0% 2%67%764 mm HgENE 78° 1.39 (2.94) m/s0
07:00Weather
Sunny
18 °C0% 2%66%765 mm HgNE 55° 1.81 (3.78) m/s0.1
08:00Weather
Sunny
19 °C0% 2%61%766 mm HgENE 68° 1.61 (2.89) m/s0.5
09:00Weather
Sunny
21 °C0% 6%55%766 mm HgE 79° 1.69 (2.58) m/s1.5
10:00Weather
Sunny
23 °C0% 4%47%766 mm HgE 83° 1.31 (1.86) m/s3.1
11:00Weather
Sunny
24 °C0% 3%42%766 mm HgE 85° 0.89 (1.25) m/s5.1
12:00Weather
Sunny
26 °C0% 3%39%766 mm HgENE 74° 1 (1.42) m/s7
13:00Weather
Sunny
27 °C0% 4%37%766 mm HgENE 73° 1.19 (1.75) m/s8.2
14:00Weather
Sunny
28 °C0% 1%35%765 mm HgENE 77° 0.89 (1.36) m/s7
15:00Weather
Sunny
29 °C0% 0%34%765 mm HgNE 40° 0.61 (0.94) m/s7
16:00Weather
Sunny
29 °C0% 0%33%764 mm HgN 0° 0.69 (1.17) m/s7
17:00Weather
Sunny
30 °C0% 0%32%764 mm HgN 350° 1.11 (1.97) m/s7
18:00Weather
Sunny
30 °C0% 0%32%764 mm HgN 352° 1.31 (2.53) m/s8
19:00Weather
Sunny
30 °C0% 0%33%764 mm HgNNW 344° 1.39 (2.89) m/s7
20:00Weather
Sunny
28 °C0% 0%38%764 mm HgNW 318° 1.81 (3.78) m/s7
21:00Weather
Clear
26 °C0% 0%43%764 mm HgNNW 329° 2 (4.19) m/s0
22:00Weather
Clear
25 °C0% 0%47%764 mm HgN 357° 2 (4.19) m/s0
23:00Weather
Clear
24 °C0% 1%49%764 mm HgNNE 30° 1.89 (4) m/s0

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.