Weather in Cascais on 6 August 2026
Preliminary outlook for 6 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +24°C and nighttime around +19°C, average precipitation 0 mm, wind around 5 m/s, humidity around 80%.
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.
+20°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +18°C
Precipitation: 0 mm
Wind: 3 — 5 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 4% |
| Pressure (avg.) | 763 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.) | +20°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 268° ↙ (SW) |
Sunrise
06:43
Duration
14 h 00 min
Sunset
20:43
Moonrise
19:27
Moonset
03:35
Moon phase
Waxing Gibbous
Illumination
83%
+21°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +19°C
Sea temperature: +20°C
Precipitation: 0 mm
Wind: 8 — 10 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 12 h |
| UV index | 5 | Cloud cover (avg.) | 36% |
| 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.) | +19°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 15 m/s | Wind direction (avg.) | 347° ↖ (NNW) |
Sunrise
06:44
Duration
13 h 58 min
Sunset
20:42
Moonrise
08:44
Moonset
22:06
Moon phase
Waxing Crescent
Illumination
6%
+23°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 6 — 8 m/s
Humidity: 70%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 263° ↖ (NNW) |
Sunrise
06:43
Duration
14 h 00 min
Sunset
20:43
Moonrise
23:32
Moonset
11:49
Moon phase
Waning Gibbous
Illumination
64%
+20°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 39% |
| 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.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 302° ← (WNW) |
Sunrise
06:43
Duration
14 h 00 min
Sunset
20:43
Moonrise
15:23
Moonset
00:45
Moon phase
First Quarter
Illumination
59%
+19°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 6 — 7 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 14% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 335° ↖ (NNW) |
Sunrise
06:43
Duration
14 h 00 min
Sunset
20:43
Moonrise
04:34
Moonset
19:58
Moon phase
Waning Crescent
Illumination
4%
+21°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 5 — 7 m/s
Humidity: 82%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 10% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 306° ↘ (SSE) |
Sunrise
06:44
Duration
13 h 58 min
Sunset
20:42
Moonrise
22:47
Moonset
09:30
Moon phase
Waning Gibbous
Illumination
81%
Weather in Cascais on 6 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+22°C
|
+18°C
|
+20°C | 14 h | 6 | 80% | 3 — 5 m/s |
| 2024 |
+23°C
|
+19°C
|
+21°C | 12 h | 5 | 88% | 8 — 10 m/s |
| 2023 |
+28°C
|
+19°C
|
+23°C | 14 h | 6 | 70% | 6 — 8 m/s |
| 2022 |
+23°C
|
+19°C
|
+20°C | 14 h | 6 | 80% | 4 — 5 m/s |
| 2021 |
+22°C
|
+18°C
|
+19°C | 14 h | 5 | 79% | 6 — 7 m/s |
| 2020 |
+24°C
|
+18°C
|
+21°C | 14 h | 6 | 82% | 5 — 7 m/s |