Weather in Grande-Synthe on 27 July 2026
Preliminary outlook for 27 July 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +20°C and nighttime around +15°C, average precipitation 1.6 mm, wind around 6 m/s, humidity around 76%.
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.
+18°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
Nighttime: +17°C
Precipitation: 1.2 mm
Wind: 4 — 6 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +20°C | Sun hours | 5 h |
| UV index | 4 | Cloud cover (avg.) | 81% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 163° ↑ (N) |
Sunrise
06:09
Duration
15 h 35 min
Sunset
21:44
Moonrise
09:12
Moonset
23:02
Moon phase
Waxing Crescent
Illumination
11%
+17°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +15°C
Sea temperature: +18°C
Precipitation: 0 mm
Wind: 4 — 4 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 15 h |
| UV index | 5 | Cloud cover (avg.) | 44% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +18°C |
| Feels like (avg.) | +17°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +17°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 274° ↖ (NW) |
Sunrise
06:10
Duration
15 h 34 min
Sunset
21:44
Moonrise
Does not rise today
Moonset
13:29
Moon phase
Last Quarter
Illumination
52%
+17°C
Weather archive — for 2023 year
Overcast
Weather archive — for 2023 year
Nighttime: +15°C
Precipitation: 8.2 mm
Wind: 9 — 11 m/s
Humidity: 89%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 1 h |
| UV index | 4 | Cloud cover (avg.) | 92% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +17°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +17°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 15 m/s | Wind direction (avg.) | 225° ↙ (SW) |
Sunrise
06:09
Duration
15 h 36 min
Sunset
21:45
Moonrise
17:04
Moonset
00:54
Moon phase
First Quarter
Illumination
63%
+17°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +14°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 62%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 13 h |
| UV index | 5 | Cloud cover (avg.) | 26% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +17°C | Dew point (avg.) | +10°C |
| Heat index (avg.) | +17°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 62° ↗ (NE) |
Sunrise
06:09
Duration
15 h 36 min
Sunset
21:45
Moonrise
04:28
Moonset
21:54
Moon phase
New Moon
Illumination
0%
+17°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +15°C
Precipitation: 0.3 mm
Wind: 6 — 7 m/s
Humidity: 82%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 62% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 220° ↙ (SW) |
Sunrise
06:09
Duration
15 h 35 min
Sunset
21:44
Moonrise
23:49
Moonset
09:55
Moon phase
Waning Gibbous
Illumination
77%
+19°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
Nighttime: +15°C
Precipitation: 0 mm
Wind: 6 — 8 m/s
Humidity: 70%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 12 h |
| UV index | 5 | Cloud cover (avg.) | 32% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 215° ↓ (SSW) |
Sunrise
06:10
Duration
15 h 34 min
Sunset
21:44
Moonrise
13:57
Moonset
00:36
Moon phase
First Quarter
Illumination
46%
Weather in Grande-Synthe on 27 July in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+20°C
|
+17°C
|
+18°C | 5 h | 4 | 80% | 4 — 6 m/s |
| 2024 |
+19°C
|
+15°C
|
+17°C | 15 h | 5 | 74% | 4 — 4 m/s |
| 2023 |
+19°C
|
+15°C
|
+17°C | 1 h | 4 | 89% | 9 — 11 m/s |
| 2022 |
+21°C
|
+14°C
|
+17°C | 13 h | 5 | 62% | 4 — 6 m/s |
| 2021 |
+19°C
|
+15°C
|
+17°C | 11 h | 5 | 82% | 6 — 7 m/s |
| 2020 |
+23°C
|
+15°C
|
+19°C | 12 h | 5 | 70% | 6 — 8 m/s |