Portugal / Sintra / 3 August

Weather in Sintra on 3 August 2026

Preliminary outlook for 3 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 7 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.

← 2 August
Nearby days
4 August →
+24°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +19°C Precipitation: 0 mm Wind: 3 — 5 m/s Humidity: 57%
MetricValue MetricValue
Day temperature (max.) +29°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.) +24°C Dew point (avg.) +14°C
Heat index (avg.) +24°C Wind chill (avg.) +24°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 335° ← (WNW)
Sunrise
06:40
Duration
14 h 06 min
Sunset
20:46
Moonrise
16:53
Moonset
01:14
Moon phase
First Quarter
Illumination
61%
+21°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +18°C Sea temperature: +22°C Precipitation: 0 mm Wind: 8 — 9 m/s
MetricValue MetricValue
Day temperature (max.) +25°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 8%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature +22°C
Feels like (avg.) +22°C Dew point (avg.) +16°C
Heat index (avg.) +22°C Wind chill (avg.) +21°C
Wind gusts (max.) 14 m/s Wind direction (avg.) 347° ↖ (NNW)
Sunrise
06:41
Duration
14 h 05 min
Sunset
20:46
Moonrise
05:12
Moonset
20:39
Moon phase
Waning Crescent
Illumination
1%
+20°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +17°C Precipitation: 0 mm Wind: 9 — 12 m/s Humidity: 71%
MetricValue MetricValue
Day temperature (max.) +24°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 8%
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.) +14°C
Heat index (avg.) +20°C Wind chill (avg.) +20°C
Wind gusts (max.) 18 m/s Wind direction (avg.) 352° ↑ (N)
Sunrise
06:40
Duration
14 h 07 min
Sunset
20:47
Moonrise
22:11
Moonset
08:05
Moon phase
Waxing Gibbous
Illumination
86%
+21°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +19°C Precipitation: 0 mm Wind: 5 — 8 m/s Humidity: 79%
MetricValue MetricValue
Day temperature (max.) +26°C Sun hours 13 h
UV index 5 Cloud cover (avg.) 26%
Pressure (avg.) 760 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.) 13 m/s Wind direction (avg.) 336° ↖ (NW)
Sunrise
06:40
Duration
14 h 06 min
Sunset
20:46
Moonrise
12:11
Moonset
23:53
Moon phase
Waxing Crescent
Illumination
37%
+19°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +17°C Precipitation: 0 mm Wind: 8 — 9 m/s Humidity: 76%
MetricValue MetricValue
Day temperature (max.) +23°C Sun hours 14 h
UV index 5 Cloud cover (avg.) 9%
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.) +14°C
Heat index (avg.) +19°C Wind chill (avg.) +19°C
Wind gusts (max.) 14 m/s Wind direction (avg.) 351° ↖ (NNW)
Sunrise
06:40
Duration
14 h 06 min
Sunset
20:46
Moonrise
02:16
Moonset
17:27
Moon phase
Waning Crescent
Illumination
26%
+20°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +18°C Precipitation: 0 mm Wind: 10 — 10 m/s Humidity: 76%
MetricValue MetricValue
Day temperature (max.) +24°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.) +21°C Wind chill (avg.) +20°C
Wind gusts (max.) 18 m/s Wind direction (avg.) 348° ↖ (NNW)
Sunrise
06:41
Duration
14 h 05 min
Sunset
20:46
Moonrise
21:05
Moonset
06:04
Moon phase
Waxing Gibbous
Illumination
97%

Weather in Sintra on 3 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +29°C +19°C +24°C 14 h 6 57% 3 — 5 m/s
2024 +25°C +18°C +21°C 14 h 6 77% 8 — 9 m/s
2023 +24°C +17°C +20°C 14 h 6 71% 9 — 12 m/s
2022 +26°C +19°C +21°C 13 h 5 79% 5 — 8 m/s
2021 +23°C +17°C +19°C 14 h 5 76% 8 — 9 m/s
2020 +24°C +18°C +20°C 14 h 6 76% 10 — 10 m/s