Portugal / Sines / 16 August

Weather in Sines on 16 August 2026

Preliminary outlook for 16 August 2026

A preliminary estimate based on the 2020–2025 archive: daytime around +25°C and nighttime around +18°C, average precipitation 0 mm, wind around 5 m/s, humidity around 73%.

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.

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Nearby days
17 August →
+22°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: 67%
MetricValue MetricValue
Day temperature (max.) +27°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 2%
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.) +15°C
Heat index (avg.) +22°C Wind chill (avg.) +22°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 245° ↖ (NW)
Sunrise
06:51
Duration
13 h 36 min
Sunset
20:27
Moonrise
Does not rise today
Moonset
14:28
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: +19°C Precipitation: 0 mm Wind: 4 — 5 m/s
MetricValue MetricValue
Day temperature (max.) +27°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 +19°C
Feels like (avg.) +22°C Dew point (avg.) +14°C
Heat index (avg.) +22°C Wind chill (avg.) +21°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 238° ← (WNW)
Sunrise
06:52
Duration
13 h 35 min
Sunset
20:27
Moonrise
18:38
Moonset
02:45
Moon phase
Waxing Gibbous
Illumination
79%
+20°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +17°C Precipitation: 0 mm Wind: 6 — 9 m/s Humidity: 81%
MetricValue MetricValue
Day temperature (max.) +23°C Sun hours 14 h
UV index 5 Cloud cover (avg.) 7%
Pressure (avg.) 763 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +19°C Dew point (avg.) +16°C
Heat index (avg.) +19°C Wind chill (avg.) +19°C
Wind gusts (max.) 13 m/s Wind direction (avg.) 329° ↖ (NW)
Sunrise
06:51
Duration
13 h 37 min
Sunset
20:28
Moonrise
06:55
Moonset
21:03
Moon phase
New Moon
Illumination
0%
+21°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +18°C Precipitation: 0 mm Wind: 6 — 11 m/s Humidity: 84%
MetricValue MetricValue
Day temperature (max.) +24°C Sun hours 13 h
UV index 6 Cloud cover (avg.) 30%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 8 km Sea temperature
Feels like (avg.) +20°C Dew point (avg.) +17°C
Heat index (avg.) +20°C Wind chill (avg.) +20°C
Wind gusts (max.) 14 m/s Wind direction (avg.) 318° ↖ (NW)
Sunrise
06:51
Duration
13 h 36 min
Sunset
20:27
Moonrise
23:11
Moonset
11:35
Moon phase
Waning Gibbous
Illumination
69%
+22°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +19°C Precipitation: 0 mm Wind: 6 — 8 m/s Humidity: 64%
MetricValue MetricValue
Day temperature (max.) +27°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 6%
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.) +21°C
Wind gusts (max.) 14 m/s Wind direction (avg.) 126° ↘ (SSE)
Sunrise
06:51
Duration
13 h 36 min
Sunset
20:27
Moonrise
14:57
Moonset
00:23
Moon phase
First Quarter
Illumination
54%
+19°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +17°C Precipitation: 0 mm Wind: 4 — 6 m/s Humidity: 84%
MetricValue MetricValue
Day temperature (max.) +21°C Sun hours 14 h
UV index 5 Cloud cover (avg.) 13%
Pressure (avg.) 764 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +19°C Dew point (avg.) +16°C
Heat index (avg.) +19°C Wind chill (avg.) +19°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 321° ↖ (NW)
Sunrise
06:52
Duration
13 h 35 min
Sunset
20:27
Moonrise
03:50
Moonset
19:01
Moon phase
Waning Crescent
Illumination
8%

Weather in Sines on 16 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +27°C +18°C +22°C 14 h 6 67% 3 — 5 m/s
2024 +27°C +19°C +22°C 14 h 6 60% 4 — 5 m/s
2023 +23°C +17°C +20°C 14 h 5 81% 6 — 9 m/s
2022 +24°C +18°C +21°C 13 h 6 84% 6 — 11 m/s
2021 +27°C +19°C +22°C 14 h 6 64% 6 — 8 m/s
2020 +21°C +17°C +19°C 14 h 5 84% 4 — 6 m/s