Weather in Pornichet on 17 August 2026
Preliminary outlook for 17 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +24°C and nighttime around +16°C, average precipitation 0.5 mm, wind around 4 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.
+25°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +18°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 45%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 94° → (E) |
Sunrise
07:09
Duration
14 h 08 min
Sunset
21:17
Moonrise
00:07
Moonset
16:56
Moon phase
Last Quarter
Illumination
37%
+19°C
Weather archive — for 2024 year
Cloudy
Weather archive — for 2024 year
Nighttime: +16°C
Sea temperature: +19°C
Precipitation: 2.6 mm
Wind: 4 — 5 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 9 h |
| UV index | 4 | Cloud cover (avg.) | 69% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 7 km | Sea temperature | +19°C |
| Feels like (avg.) | +20°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 290° ↖ (NNW) |
Sunrise
07:09
Duration
14 h 08 min
Sunset
21:17
Moonrise
20:32
Moonset
03:36
Moon phase
Waxing Gibbous
Illumination
86%
+21°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 71%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 13 h |
| UV index | 5 | Cloud cover (avg.) | 28% |
| 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.) | +16°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 138° ↓ (SSW) |
Sunrise
07:08
Duration
14 h 10 min
Sunset
21:18
Moonrise
08:13
Moonset
22:12
Moon phase
Waxing Crescent
Illumination
1%
+19°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +17°C
Precipitation: 0.2 mm
Wind: 2 — 3 m/s
Humidity: 81%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 9 h |
| UV index | 4 | Cloud cover (avg.) | 79% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 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.) | 5 m/s | Wind direction (avg.) | 133° ↘ (SE) |
Sunrise
07:08
Duration
14 h 10 min
Sunset
21:18
Moonrise
23:54
Moonset
13:34
Moon phase
Waning Gibbous
Illumination
61%
+17°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +13°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 73%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 29% |
| 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.) | 7 m/s | Wind direction (avg.) | 311° ← (WNW) |
Sunrise
07:09
Duration
14 h 08 min
Sunset
21:17
Moonrise
17:16
Moonset
01:04
Moon phase
First Quarter
Illumination
61%
+18°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +16°C
Precipitation: 0.2 mm
Wind: 4 — 4 m/s
Humidity: 82%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 1 h |
| UV index | 4 | Cloud cover (avg.) | 74% |
| Pressure (avg.) | 758 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.) | +19°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 240° ↙ (SW) |
Sunrise
07:09
Duration
14 h 08 min
Sunset
21:17
Moonrise
04:48
Moonset
20:48
Moon phase
Waning Crescent
Illumination
1%
Weather in Pornichet on 17 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+32°C
|
+18°C
|
+25°C | 14 h | 7 | 45% | 4 — 5 m/s |
| 2024 |
+23°C
|
+16°C
|
+19°C | 9 h | 4 | 83% | 4 — 5 m/s |
| 2023 |
+26°C
|
+17°C
|
+21°C | 13 h | 5 | 71% | 3 — 4 m/s |
| 2022 |
+22°C
|
+17°C
|
+19°C | 9 h | 4 | 81% | 2 — 3 m/s |
| 2021 |
+21°C
|
+13°C
|
+17°C | 14 h | 5 | 73% | 4 — 6 m/s |
| 2020 |
+21°C
|
+16°C
|
+18°C | 1 h | 4 | 82% | 4 — 4 m/s |