France / Pornichet / 18 August

Weather in Pornichet on 18 August 2026

Preliminary outlook for 18 August 2026

A preliminary estimate based on the 2020–2025 archive: daytime around +24°C and nighttime around +16°C, average precipitation 0.2 mm, wind around 4 m/s, humidity around 69%.

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 →
+22°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +18°C Precipitation: 0 mm Wind: 5 — 5 m/s Humidity: 42%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 9 h
UV index 6 Cloud cover (avg.) 11%
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.) +9°C
Heat index (avg.) +24°C Wind chill (avg.) +24°C
Wind gusts (max.) 11 m/s Wind direction (avg.) 125° → (E)
Sunrise
07:10
Duration
14 h 05 min
Sunset
21:15
Moonrise
00:48
Moonset
18:11
Moon phase
Last Quarter
Illumination
29%
+17°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +12°C Sea temperature: +19°C Precipitation: 0 mm Wind: 4 — 5 m/s
MetricValue MetricValue
Day temperature (max.) +22°C Sun hours 14 h
UV index 4 Cloud cover (avg.) 27%
Pressure (avg.) 764 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature +19°C
Feels like (avg.) +17°C Dew point (avg.) +10°C
Heat index (avg.) +18°C Wind chill (avg.) +17°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 308° ← (WNW)
Sunrise
07:10
Duration
14 h 05 min
Sunset
21:15
Moonrise
21:02
Moonset
04:50
Moon phase
Waxing Gibbous
Illumination
93%
+21°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +18°C Precipitation: 0.7 mm Wind: 2 — 3 m/s Humidity: 64%
MetricValue MetricValue
Day temperature (max.) +25°C Sun hours 14 h
UV index 5 Cloud cover (avg.) 44%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +21°C Dew point (avg.) +14°C
Heat index (avg.) +22°C Wind chill (avg.) +21°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 255° ↓ (SSW)
Sunrise
07:09
Duration
14 h 07 min
Sunset
21:16
Moonrise
09:20
Moonset
22:27
Moon phase
Waxing Crescent
Illumination
9%
+19°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +16°C Precipitation: 0.1 mm Wind: 4 — 5 m/s Humidity: 80%
MetricValue MetricValue
Day temperature (max.) +25°C Sun hours 12 h
UV index 5 Cloud cover (avg.) 51%
Pressure (avg.) 761 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.) +19°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 175° ↑ (NNE)
Sunrise
07:10
Duration
14 h 06 min
Sunset
21:16
Moonrise
Does not rise today
Moonset
14:50
Moon phase
Last Quarter
Illumination
54%
+17°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +14°C Precipitation: 0 mm Wind: 3 — 5 m/s Humidity: 76%
MetricValue MetricValue
Day temperature (max.) +21°C Sun hours 14 h
UV index 5 Cloud cover (avg.) 9%
Pressure (avg.) 767 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +17°C Dew point (avg.) +12°C
Heat index (avg.) +17°C Wind chill (avg.) +17°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 311° ← (W)
Sunrise
07:10
Duration
14 h 05 min
Sunset
21:15
Moonrise
18:30
Moonset
01:45
Moon phase
Waxing Gibbous
Illumination
69%
+19°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +16°C Precipitation: 0.2 mm Wind: 4 — 5 m/s Humidity: 82%
MetricValue MetricValue
Day temperature (max.) +23°C Sun hours 10 h
UV index 5 Cloud cover (avg.) 52%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +19°C Dew point (avg.) +15°C
Heat index (avg.) +20°C Wind chill (avg.) +19°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 235° ↓ (SSW)
Sunrise
07:10
Duration
14 h 05 min
Sunset
21:15
Moonrise
05:54
Moonset
21:22
Moon phase
New Moon
Illumination
0%

Weather in Pornichet on 18 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +29°C +18°C +22°C 9 h 6 42% 5 — 5 m/s
2024 +22°C +12°C +17°C 14 h 4 69% 4 — 5 m/s
2023 +25°C +18°C +21°C 14 h 5 64% 2 — 3 m/s
2022 +25°C +16°C +19°C 12 h 5 80% 4 — 5 m/s
2021 +21°C +14°C +17°C 14 h 5 76% 3 — 5 m/s
2020 +23°C +16°C +19°C 10 h 5 82% 4 — 5 m/s