Weather in Le Portel on 4 August 2026
Preliminary outlook for 4 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +19°C and nighttime around +15°C, average precipitation 0 mm, wind around 4 m/s, humidity around 75%.
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.
+19°C
Weather archive — latest year: 2025
Overcast
Weather archive — latest year: 2025
Nighttime: +17°C
Precipitation: 0 mm
Wind: 7 — 11 m/s
Humidity: 90%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +20°C | Sun hours | 6 h |
| UV index | 4 | Cloud cover (avg.) | 60% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 15 m/s | Wind direction (avg.) | 243° ↙ (SW) |
Sunrise
06:25
Duration
15 h 09 min
Sunset
21:34
Moonrise
19:10
Moonset
01:07
Moon phase
Waxing Gibbous
Illumination
69%
+17°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +15°C
Sea temperature: +20°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +18°C | Sun hours | 15 h |
| UV index | 5 | Cloud cover (avg.) | 29% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +20°C |
| Feels like (avg.) | +17°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +17°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 271° ↙ (WSW) |
Sunrise
06:25
Duration
15 h 08 min
Sunset
21:33
Moonrise
05:54
Moonset
22:05
Moon phase
New Moon
Illumination
0%
+16°C
Weather archive — for 2023 year
Overcast
Weather archive — for 2023 year
Nighttime: +15°C
Precipitation: 0.1 mm
Wind: 3 — 4 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +18°C | Sun hours | 9 h |
| UV index | 5 | Cloud cover (avg.) | 67% |
| Pressure (avg.) | 761 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.) | 226° ↑ (N) |
Sunrise
06:24
Duration
15 h 10 min
Sunset
21:34
Moonrise
23:05
Moonset
09:17
Moon phase
Waning Gibbous
Illumination
78%
+20°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 70%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 13% |
| 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.) | +14°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 283° ← (WNW) |
Sunrise
06:25
Duration
15 h 09 min
Sunset
21:34
Moonrise
13:44
Moonset
Does not set today
Moon phase
First Quarter
Illumination
44%
+16°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +13°C
Precipitation: 0 mm
Wind: 1 — 2 m/s
Humidity: 70%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +17°C | Sun hours | 10 h |
| UV index | 5 | Cloud cover (avg.) | 65% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +15°C | Dew point (avg.) | +10°C |
| Heat index (avg.) | +15°C | Wind chill (avg.) | +15°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 180° ↙ (WSW) |
Sunrise
06:25
Duration
15 h 09 min
Sunset
21:34
Moonrise
02:20
Moonset
19:30
Moon phase
Waning Crescent
Illumination
18%
+15°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +12°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 15 h |
| UV index | 5 | Cloud cover (avg.) | 22% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +15°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +15°C | Wind chill (avg.) | +15°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 170° ↙ (SW) |
Sunrise
06:25
Duration
15 h 08 min
Sunset
21:33
Moonrise
22:30
Moonset
06:51
Moon phase
Full Moon
Illumination
100%
Weather in Le Portel on 4 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+20°C
|
+17°C
|
+19°C | 6 h | 4 | 90% | 7 — 11 m/s |
| 2024 |
+18°C
|
+15°C
|
+17°C | 15 h | 5 | 71% | 4 — 5 m/s |
| 2023 |
+18°C
|
+15°C
|
+16°C | 9 h | 5 | 77% | 3 — 4 m/s |
| 2022 |
+24°C
|
+17°C
|
+20°C | 15 h | 6 | 70% | 3 — 4 m/s |
| 2021 |
+17°C
|
+13°C
|
+16°C | 10 h | 5 | 70% | 1 — 2 m/s |
| 2020 |
+19°C
|
+12°C
|
+15°C | 15 h | 5 | 74% | 4 — 6 m/s |