Weather in Grande-Synthe on 7 August 2026
Preliminary outlook for 7 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +22°C and nighttime around +16°C, average precipitation 0.3 mm, wind around 5 m/s, humidity around 66%.
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
Partly Cloudy
Weather archive — latest year: 2025
Nighttime: +15°C
Precipitation: 0 mm
Wind: 5 — 6 m/s
Humidity: 55%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 28% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +9°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 231° ↙ (WSW) |
Sunrise
06:26
Duration
15 h 01 min
Sunset
21:27
Moonrise
21:09
Moonset
03:47
Moon phase
Waxing Gibbous
Illumination
91%
+18°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +16°C
Sea temperature: +18°C
Precipitation: 0 mm
Wind: 6 — 8 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 13% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +18°C |
| Feels like (avg.) | +19°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 255° ← (W) |
Sunrise
06:26
Duration
15 h 00 min
Sunset
21:26
Moonrise
09:50
Moonset
22:44
Moon phase
Waxing Crescent
Illumination
13%
+16°C
Weather archive — for 2023 year
Overcast
Weather archive — for 2023 year
Nighttime: +14°C
Precipitation: 0.2 mm
Wind: 6 — 7 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 9 h |
| UV index | 4 | Cloud cover (avg.) | 74% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +16°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +16°C | Wind chill (avg.) | +16°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 291° ← (WNW) |
Sunrise
06:25
Duration
15 h 03 min
Sunset
21:28
Moonrise
23:47
Moonset
13:34
Moon phase
Waning Gibbous
Illumination
57%
+18°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +14°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 62%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 15 h |
| UV index | 5 | Cloud cover (avg.) | 5% |
| Pressure (avg.) | 770 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 54° ↗ (NE) |
Sunrise
06:25
Duration
15 h 02 min
Sunset
21:27
Moonrise
17:36
Moonset
00:47
Moon phase
Waxing Gibbous
Illumination
66%
+16°C
Weather archive — for 2021 year
Moderate or heavy rain shower
Weather archive — for 2021 year
Nighttime: +14°C
Precipitation: 1.7 mm
Wind: 7 — 8 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 10 h |
| UV index | 5 | Cloud cover (avg.) | 48% |
| Pressure (avg.) | 752 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +16°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +16°C | Wind chill (avg.) | +16°C |
| Wind gusts (max.) | 13 m/s | Wind direction (avg.) | 209° ↓ (SSW) |
Sunrise
06:26
Duration
15 h 01 min
Sunset
21:27
Moonrise
04:50
Moonset
21:35
Moon phase
New Moon
Illumination
0%
+25°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +20°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 59%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 2% |
| 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.) | +14°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 115° → (ESE) |
Sunrise
06:26
Duration
15 h 00 min
Sunset
21:26
Moonrise
23:29
Moonset
10:37
Moon phase
Waning Gibbous
Illumination
74%
Weather in Grande-Synthe on 7 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+22°C
|
+15°C
|
+19°C | 14 h | 5 | 55% | 5 — 6 m/s |
| 2024 |
+21°C
|
+16°C
|
+18°C | 14 h | 5 | 70% | 6 — 8 m/s |
| 2023 |
+19°C
|
+14°C
|
+16°C | 9 h | 4 | 72% | 6 — 7 m/s |
| 2022 |
+21°C
|
+14°C
|
+18°C | 15 h | 5 | 62% | 4 — 5 m/s |
| 2021 |
+19°C
|
+14°C
|
+16°C | 10 h | 5 | 78% | 7 — 8 m/s |
| 2020 |
+30°C
|
+20°C
|
+25°C | 15 h | 6 | 59% | 4 — 5 m/s |