Weather in Cascais on 9 August 2026
Preliminary outlook for 9 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +23°C and nighttime around +18°C, average precipitation 0 mm, wind around 5 m/s, humidity around 82%.
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: 4 — 6 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 0% |
| 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.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 341° ↖ (NW) |
Sunrise
06:46
Duration
13 h 53 min
Sunset
20:39
Moonrise
21:04
Moonset
06:43
Moon phase
Full Moon
Illumination
100%
+21°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.) | +24°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 14% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +20°C |
| Feels like (avg.) | +22°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 13 m/s | Wind direction (avg.) | 342° ↖ (NW) |
Sunrise
06:46
Duration
13 h 53 min
Sunset
20:39
Moonrise
11:50
Moonset
23:10
Moon phase
Waxing Crescent
Illumination
28%
+21°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 15% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 265° ← (W) |
Sunrise
06:45
Duration
13 h 55 min
Sunset
20:40
Moonrise
00:32
Moonset
15:27
Moon phase
Last Quarter
Illumination
42%
+20°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 1% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 314° ↖ (NW) |
Sunrise
06:46
Duration
13 h 54 min
Sunset
20:40
Moonrise
18:49
Moonset
02:55
Moon phase
Waxing Gibbous
Illumination
81%
+19°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 6 — 8 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 11% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 344° ↖ (NNW) |
Sunrise
06:46
Duration
13 h 53 min
Sunset
20:39
Moonrise
07:30
Moonset
21:41
Moon phase
Waxing Crescent
Illumination
3%
+20°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 7 — 8 m/s
Humidity: 86%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 12 h |
| UV index | 5 | Cloud cover (avg.) | 34% |
| 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.) | +16°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 14 m/s | Wind direction (avg.) | 344° ↖ (NNW) |
Sunrise
06:46
Duration
13 h 53 min
Sunset
20:39
Moonrise
Does not rise today
Moonset
12:34
Moon phase
Waning Gibbous
Illumination
59%
Weather in Cascais on 9 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+23°C
|
+18°C
|
+20°C | 14 h | 6 | 80% | 4 — 6 m/s |
| 2024 |
+24°C
|
+18°C
|
+21°C | 14 h | 6 | 81% | 5 — 8 m/s |
| 2023 |
+23°C
|
+19°C
|
+21°C | 13 h | 6 | 83% | 3 — 4 m/s |
| 2022 |
+24°C
|
+18°C
|
+20°C | 14 h | 6 | 80% | 3 — 4 m/s |
| 2021 |
+22°C
|
+17°C
|
+19°C | 14 h | 5 | 80% | 6 — 8 m/s |
| 2020 |
+22°C
|
+18°C
|
+20°C | 12 h | 5 | 86% | 7 — 8 m/s |