Weather in Lisbon on 12 August 2026
Preliminary outlook for 12 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +29°C and nighttime around +19°C, average precipitation 0 mm, wind around 4 m/s, humidity around 63%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+28°C
Weather archive — latest year: 2025
Partly Cloudy
Weather archive — latest year: 2025
Nighttime: +23°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
Humidity: 35%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 21% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 186° ↙ (WSW) |
Sunrise
06:48
Duration
13 h 47 min
Sunset
20:35
Moonrise
22:12
Moonset
09:55
Moon phase
Waning Gibbous
Illumination
73%
+22°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +18°C
Sea temperature: +20°C
Precipitation: 0 mm
Wind: 5 — 8 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +20°C |
| Feels like (avg.) | +23°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 13 m/s | Wind direction (avg.) | 343° ↖ (NNW) |
Sunrise
06:48
Duration
13 h 46 min
Sunset
20:34
Moonrise
14:51
Moonset
Does not set today
Moon phase
First Quarter
Illumination
50%
+23°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 5 — 8 m/s
Humidity: 66%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 10% |
| Pressure (avg.) | 766 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 348° ↖ (NNW) |
Sunrise
06:47
Duration
13 h 48 min
Sunset
20:35
Moonrise
02:43
Moonset
18:39
Moon phase
Waning Crescent
Illumination
20%
+22°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 3 — 6 m/s
Humidity: 67%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 4% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 241° ← (WNW) |
Sunrise
06:47
Duration
13 h 48 min
Sunset
20:35
Moonrise
21:14
Moonset
06:33
Moon phase
Full Moon
Illumination
100%
+22°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 5 — 8 m/s
Humidity: 63%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 4% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 344° ↖ (NNW) |
Sunrise
06:48
Duration
13 h 47 min
Sunset
20:35
Moonrise
10:34
Moonset
22:57
Moon phase
Waxing Crescent
Illumination
25%
+20°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +18°C
Precipitation: 0.1 mm
Wind: 5 — 5 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 13 h |
| UV index | 5 | Cloud cover (avg.) | 75% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 319° ↖ (NW) |
Sunrise
06:48
Duration
13 h 46 min
Sunset
20:34
Moonrise
01:01
Moonset
15:28
Moon phase
Last Quarter
Illumination
38%
Weather in Lisbon on 12 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+34°C
|
+23°C
|
+28°C | 14 h | 7 | 35% | 2 — 4 m/s |
| 2024 |
+28°C
|
+18°C
|
+22°C | 14 h | 6 | 70% | 5 — 8 m/s |
| 2023 |
+29°C
|
+18°C
|
+23°C | 14 h | 6 | 66% | 5 — 8 m/s |
| 2022 |
+29°C
|
+17°C
|
+22°C | 14 h | 6 | 67% | 3 — 6 m/s |
| 2021 |
+29°C
|
+17°C
|
+22°C | 14 h | 6 | 63% | 5 — 8 m/s |
| 2020 |
+23°C
|
+18°C
|
+20°C | 13 h | 5 | 78% | 5 — 5 m/s |