Italy / Porto Cervo / 18 August

Weather in Porto Cervo on 18 August 2026

Preliminary outlook for 18 August 2026

A preliminary estimate based on the 2020–2025 archive: daytime around +32°C and nighttime around +21°C, average precipitation 0 mm, wind around 4 m/s, humidity around 60%.

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.

← 17 August
Nearby days
19 August →
+26°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +20°C Precipitation: 0 mm Wind: 2 — 4 m/s Humidity: 59%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 14 h
UV index 7 Cloud cover (avg.) 6%
Pressure (avg.) 759 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +27°C Dew point (avg.) +17°C
Heat index (avg.) +28°C Wind chill (avg.) +26°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 166° ↗ (ENE)
Sunrise
06:35
Duration
13 h 41 min
Sunset
20:16
Moonrise
00:29
Moonset
16:50
Moon phase
Last Quarter
Illumination
29%
+24°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +19°C Sea temperature: +26°C Precipitation: 0 mm Wind: 4 — 6 m/s
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 12 h
UV index 6 Cloud cover (avg.) 13%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature +26°C
Feels like (avg.) +26°C Dew point (avg.) +19°C
Heat index (avg.) +27°C Wind chill (avg.) +25°C
Wind gusts (max.) 11 m/s Wind direction (avg.) 263° ← (W)
Sunrise
06:35
Duration
13 h 41 min
Sunset
20:16
Moonrise
19:53
Moonset
04:26
Moon phase
Waxing Gibbous
Illumination
93%
+28°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +22°C Precipitation: 0 mm Wind: 3 — 5 m/s Humidity: 44%
MetricValue MetricValue
Day temperature (max.) +33°C Sun hours 14 h
UV index 7 Cloud cover (avg.) 3%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +29°C Dew point (avg.) +15°C
Heat index (avg.) +29°C Wind chill (avg.) +28°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 168° ↗ (ENE)
Sunrise
06:34
Duration
13 h 43 min
Sunset
20:17
Moonrise
08:36
Moonset
21:36
Moon phase
Waxing Crescent
Illumination
9%
+28°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +22°C Precipitation: 0 mm Wind: 4 — 6 m/s Humidity: 64%
MetricValue MetricValue
Day temperature (max.) +35°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 43%
Pressure (avg.) 757 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +32°C Dew point (avg.) +22°C
Heat index (avg.) +32°C Wind chill (avg.) +29°C
Wind gusts (max.) 11 m/s Wind direction (avg.) 261° ↖ (NNW)
Sunrise
06:34
Duration
13 h 43 min
Sunset
20:17
Moonrise
23:49
Moonset
13:44
Moon phase
Last Quarter
Illumination
54%
+25°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +21°C Precipitation: 0 mm Wind: 6 — 6 m/s Humidity: 57%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 14 h
UV index 7 Cloud cover (avg.) 1%
Pressure (avg.) 759 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +25°C Dew point (avg.) +16°C
Heat index (avg.) +27°C Wind chill (avg.) +25°C
Wind gusts (max.) 11 m/s Wind direction (avg.) 269° ← (WNW)
Sunrise
06:35
Duration
13 h 41 min
Sunset
20:16
Moonrise
17:13
Moonset
01:21
Moon phase
Waxing Gibbous
Illumination
69%
+27°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +21°C Precipitation: 0 mm Wind: 5 — 5 m/s Humidity: 60%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 38%
Pressure (avg.) 759 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +28°C Dew point (avg.) +17°C
Heat index (avg.) +28°C Wind chill (avg.) +27°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 274° ← (WNW)
Sunrise
06:35
Duration
13 h 41 min
Sunset
20:16
Moonrise
05:24
Moonset
20:17
Moon phase
New Moon
Illumination
0%

Weather in Porto Cervo on 18 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +32°C +20°C +26°C 14 h 7 59% 2 — 4 m/s
2024 +30°C +19°C +24°C 12 h 6 73% 4 — 6 m/s
2023 +33°C +22°C +28°C 14 h 7 44% 3 — 5 m/s
2022 +35°C +22°C +28°C 13 h 7 64% 4 — 6 m/s
2021 +30°C +21°C +25°C 14 h 7 57% 6 — 6 m/s
2020 +32°C +21°C +27°C 14 h 6 60% 5 — 5 m/s