Portugal / Cascais / 16 August

Weather in Cascais on 16 August 2026

Preliminary outlook for 16 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 6 m/s, humidity around 78%.

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.

← 15 August
Nearby days
17 August →
+21°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +18°C Precipitation: 0 mm Wind: 5 — 7 m/s Humidity: 74%
MetricValue MetricValue
Day temperature (max.) +24°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 1%
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.) +16°C
Heat index (avg.) +22°C Wind chill (avg.) +21°C
Wind gusts (max.) 13 m/s Wind direction (avg.) 260° ↖ (NNW)
Sunrise
06:52
Duration
13 h 38 min
Sunset
20:30
Moonrise
Does not rise today
Moonset
14:33
Moon phase
Last Quarter
Illumination
44%
+22°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +19°C Sea temperature: +20°C Precipitation: 0 mm Wind: 6 — 8 m/s
MetricValue MetricValue
Day temperature (max.) +25°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 +20°C
Feels like (avg.) +25°C Dew point (avg.) +13°C
Heat index (avg.) +26°C Wind chill (avg.) +25°C
Wind gusts (max.) 15 m/s Wind direction (avg.) 261° ↖ (NNW)
Sunrise
06:53
Duration
13 h 37 min
Sunset
20:30
Moonrise
18:43
Moonset
02:44
Moon phase
Waxing Gibbous
Illumination
79%
+20°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +18°C Precipitation: 0 mm Wind: 7 — 8 m/s Humidity: 81%
MetricValue MetricValue
Day temperature (max.) +23°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 12%
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.) +22°C Wind chill (avg.) +21°C
Wind gusts (max.) 13 m/s Wind direction (avg.) 343° ↖ (NNW)
Sunrise
06:52
Duration
13 h 39 min
Sunset
20:31
Moonrise
06:55
Moonset
21:06
Moon phase
New Moon
Illumination
0%
+21°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +19°C Precipitation: 0 mm Wind: 6 — 9 m/s Humidity: 81%
MetricValue MetricValue
Day temperature (max.) +23°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 29%
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.) 14 m/s Wind direction (avg.) 331° ↖ (NNW)
Sunrise
06:52
Duration
13 h 39 min
Sunset
20:31
Moonrise
23:13
Moonset
11:38
Moon phase
Waning Gibbous
Illumination
69%
+20°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +18°C Precipitation: 0 mm Wind: 8 — 10 m/s Humidity: 78%
MetricValue MetricValue
Day temperature (max.) +23°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 2%
Pressure (avg.) 764 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.) +22°C Wind chill (avg.) +21°C
Wind gusts (max.) 17 m/s Wind direction (avg.) 352° ↖ (NNW)
Sunrise
06:52
Duration
13 h 39 min
Sunset
20:31
Moonrise
15:01
Moonset
00:24
Moon phase
First Quarter
Illumination
54%
+20°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +18°C Precipitation: 0 mm Wind: 4 — 4 m/s Humidity: 82%
MetricValue MetricValue
Day temperature (max.) +22°C Sun hours 14 h
UV index 5 Cloud cover (avg.) 10%
Pressure (avg.) 764 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +20°C Dew point (avg.) +16°C
Heat index (avg.) +21°C Wind chill (avg.) +20°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 310° ↖ (NW)
Sunrise
06:53
Duration
13 h 37 min
Sunset
20:30
Moonrise
03:50
Moonset
19:06
Moon phase
Waning Crescent
Illumination
8%

Weather in Cascais on 16 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +24°C +18°C +21°C 14 h 6 74% 5 — 7 m/s
2024 +25°C +19°C +22°C 14 h 6 70% 6 — 8 m/s
2023 +23°C +18°C +20°C 14 h 6 81% 7 — 8 m/s
2022 +23°C +19°C +21°C 14 h 6 81% 6 — 9 m/s
2021 +23°C +18°C +20°C 14 h 6 78% 8 — 10 m/s
2020 +22°C +18°C +20°C 14 h 5 82% 4 — 4 m/s