Weather in Arcachon on 16 August 2026
Preliminary outlook for 16 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +24°C and nighttime around +19°C, average precipitation 2.5 mm, wind around 3 m/s, humidity around 74%.
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: +22°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 65%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 4% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 220° ↙ (WSW) |
Sunrise
07:08
Duration
14 h 01 min
Sunset
21:09
Moonrise
Does not rise today
Moonset
15:19
Moon phase
Last Quarter
Illumination
44%
+21°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +17°C
Sea temperature: +24°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 13% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +24°C |
| Feels like (avg.) | +21°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 163° ← (WNW) |
Sunrise
07:09
Duration
13 h 59 min
Sunset
21:08
Moonrise
19:35
Moonset
02:42
Moon phase
Waxing Gibbous
Illumination
79%
+21°C
Weather archive — for 2023 year
Overcast
Weather archive — for 2023 year
Nighttime: +19°C
Precipitation: 13.6 mm
Wind: 3 — 4 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 8 h |
| UV index | 5 | Cloud cover (avg.) | 67% |
| 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.) | +17°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 247° ↖ (NW) |
Sunrise
07:08
Duration
14 h 01 min
Sunset
21:09
Moonrise
07:06
Moonset
21:45
Moon phase
New Moon
Illumination
0%
+21°C
Weather archive — for 2022 year
Moderate rain at times
Weather archive — for 2022 year
Nighttime: +18°C
Precipitation: 0.5 mm
Wind: 3 — 5 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 51% |
| Pressure (avg.) | 756 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.) | 243° ← (WNW) |
Sunrise
07:08
Duration
14 h 01 min
Sunset
21:09
Moonrise
23:32
Moonset
12:08
Moon phase
Waning Gibbous
Illumination
69%
+19°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +18°C
Precipitation: 0.6 mm
Wind: 4 — 4 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 7 h |
| UV index | 4 | Cloud cover (avg.) | 77% |
| Pressure (avg.) | 767 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.) | 10 m/s | Wind direction (avg.) | 302° ← (WNW) |
Sunrise
07:08
Duration
14 h 01 min
Sunset
21:09
Moonrise
15:44
Moonset
00:36
Moon phase
First Quarter
Illumination
54%
+21°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +19°C
Precipitation: 0.4 mm
Wind: 4 — 5 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 10 h |
| UV index | 5 | Cloud cover (avg.) | 49% |
| Pressure (avg.) | 761 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.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 285° ← (WNW) |
Sunrise
07:09
Duration
13 h 59 min
Sunset
21:08
Moonrise
03:55
Moonset
19:52
Moon phase
Waning Crescent
Illumination
8%
Weather in Arcachon on 16 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+28°C
|
+22°C
|
+25°C | 14 h | 7 | 65% | 3 — 4 m/s |
| 2024 |
+24°C
|
+17°C
|
+21°C | 14 h | 6 | 73% | 3 — 4 m/s |
| 2023 |
+26°C
|
+19°C
|
+21°C | 8 h | 5 | 79% | 3 — 4 m/s |
| 2022 |
+24°C
|
+18°C
|
+21°C | 10 h | 6 | 76% | 3 — 5 m/s |
| 2021 |
+21°C
|
+18°C
|
+19°C | 7 h | 4 | 74% | 4 — 4 m/s |
| 2020 |
+23°C
|
+19°C
|
+21°C | 10 h | 5 | 77% | 4 — 5 m/s |