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Grande-Synthe weather



Here is the Grande-Synthe weather forecast. You will find below :
- Grande-Synthe weather forecast for the next hours
- 7, 8 and 10 days weather forecast for Grande-Synthe
- the lastest Grande-Synthe weather conditions

Please note that the station providing the latest weather data is not necessarily in the center of Grande-Synthe. Differences in prediction may appear according to the location of the weather station, especially in mountains where data usualy come from plains. For better accuracy at high altitude, you should check the snow weather forecast.

You will find below some links for the 8 days weather forecast near Grande-Synthe :
 - weather forecast for towns close to Grande-Synthe :
   - Fort-Mardyck weather forecast : town located at 1.89 km
   - Saint-Pol-sur-Mer weather forecast : town located at 3.67 km
   - Spycker weather forecast : town located at 5.40 km
   - Loon-Plage weather forecast : town located at 5.72 km
   - Armbouts-Cappel weather forecast : town located at 5.82 km
   - Cappelle-la-Grande weather forecast : town located at 6.01 km
   - Craywick weather forecast : town located at 6.11 km
   - Dunkerque weather forecast : town located at 6.37 km

 - weather forecast for department prefecture of Nord : Weather of Lille
 - weather forecast for other cities of Nord : Nord
 - global weather on the map of France : weather france map

Must see: the road map of Grande-Synthe, the photos of Grande-Synthe, the map of Grande-Synthe.
I like Grande-Synthe !
   


7, 8 and 10 days weather forecast for Grande-Synthe

Week Forecast:


The latest weather data for Grande-Synthe were collected Wednesday, 16 September 2026 at 08:04 from the nearest observation station of Grande-Synthe.

Wednesday, September 16th

19°C     15°C

53%
 49%


Drizzle

Temperature Max: 19°C    Temperature Min: 15°C
Precipitation Probability: 53% (Rain)
Percentage of sky occluded by clouds: 49%
Wind speed: 18 km/h South-East
Humidity: 71%°        UV Index: 3
Sunrise: 07:27     Sunset: 20:02

Thursday, September 17th

18°C     14°C

74%
 96%


Rain

Temperature Max: 18°C    Temperature Min: 14°C
Precipitation Probability: 74% (Rain)
Percentage of sky occluded by clouds: 96%
Wind speed: 21 km/h North-East
Humidity: 81%°        UV Index: 3
Sunrise: 07:29     Sunset: 20:00

Friday, September 18th

19°C     12°C

0%
 59%


Partly cloudy

Temperature Max: 19°C    Temperature Min: 12°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 59%
Wind speed: 19 km/h East
Humidity: 70%°        UV Index: 3
Sunrise: 07:30     Sunset: 19:58

Saturday, September 19th

22°C     16°C

53%
 89%


Drizzle

Temperature Max: 22°C    Temperature Min: 16°C
Precipitation Probability: 53% (Rain)
Percentage of sky occluded by clouds: 89%
Wind speed: 28 km/h North-East
Humidity: 78%°        UV Index: 3
Sunrise: 07:32     Sunset: 19:56

Sunday, September 20th

20°C     16°C

49%
 80%


Drizzle

Temperature Max: 20°C    Temperature Min: 16°C
Precipitation Probability: 49% (Rain)
Percentage of sky occluded by clouds: 80%
Wind speed: 16 km/h South-East
Humidity: 73%°        UV Index: 3
Sunrise: 07:33     Sunset: 19:53

Monday, September 21st

20°C     14°C

0%
 29%


Mostly clear

Temperature Max: 20°C    Temperature Min: 14°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 29%
Wind speed: 9 km/h South-East
Humidity: 67%°        UV Index: 4
Sunrise: 07:35     Sunset: 19:51

Tuesday, September 22nd

22°C     15°C

0%
 51%


Partly cloudy

Temperature Max: 22°C    Temperature Min: 15°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 51%
Wind speed: 8 km/h South
Humidity: 78%°        UV Index: 4
Sunrise: 07:36     Sunset: 19:49

Wednesday, September 23rd

23°C     13°C

0%
 18%


Mostly clear

Temperature Max: 23°C    Temperature Min: 13°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 18%
Wind speed: 12 km/h West
Humidity: 71%°        UV Index: 4
Sunrise: 07:38     Sunset: 19:47

Thursday, September 24th

23°C     13°C

0%
 41%


Partly cloudy

Temperature Max: 23°C    Temperature Min: 13°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 41%
Wind speed: 10 km/h North-West
Humidity: 64%°        UV Index: 4
Sunrise: 07:40     Sunset: 19:44

Friday, September 25th

24°C     15°C

0%
 30%


Mostly clear

Temperature Max: 24°C    Temperature Min: 15°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 30%
Wind speed: 10 km/h South
Humidity: 63%°        UV Index: 4
Sunrise: 07:41     Sunset: 19:42









Latest Grande-Synthe weather conditions
The latest weather data for Grande-Synthe were collected Wednesday, 16 September 2026 at 08:04 from the nearest observation station of Grande-Synthe.

Latest weather conditions collected Wed, 16 September at 08:04

15°C

1017.42 hPa
0 mm/h
 56%


Partly cloudy

Temperature: 15°C
Pressure: 1017.42 mbars
Precipitation Intensity: 0 mm/h
Percentage of sky occluded by clouds: 56%
Wind speed: 17 km/h South-East
Wind Gust Speed: 30.36 km/h
Visibility: 16498.87 km    Humidity: 82%
Dew Point: 12°        UV Index: 0








Grande-Synthe next hours weather forecast
This is the next hours weather forecast for Grande-Synthe.

Wed, 16 Sep - 12pm
      18°C

Grande-Synthe weather:
Partly cloudy
0%      47%
Wind Speed: 20 kmh
Wind Gust: 35 kmh

Wed, 16 Sep - 1pm
      18°C

Grande-Synthe weather:
Partly cloudy
0%      40%
Wind Speed: 19 kmh
Wind Gust: 34 kmh

Wed, 16 Sep - 2pm
      18°C

Grande-Synthe weather:
Partly cloudy
0%      40%
Wind Speed: 19 kmh
Wind Gust: 35 kmh

Wed, 16 Sep - 3pm
      19°C

Grande-Synthe weather:
Partly cloudy
0%      40%
Wind Speed: 18 kmh
Wind Gust: 34 kmh

Wed, 16 Sep - 4pm
      19°C

Grande-Synthe weather:
Partly cloudy
0%      48%
Wind Speed: 16 kmh
Wind Gust: 33 kmh

Wed, 16 Sep - 5pm
      19°C

Grande-Synthe weather:
Partly cloudy
0%      58%
Wind Speed: 17 kmh
Wind Gust: 31 kmh

Wed, 16 Sep - 6pm
      18°C

Grande-Synthe weather:
Drizzle
6% Rain     64%
Wind Speed: 13 kmh
Wind Gust: 30 kmh

Wed, 16 Sep - 7pm
      18°C

Grande-Synthe weather:
Drizzle
7% Rain     68%
Wind Speed: 16 kmh
Wind Gust: 30 kmh

Wed, 16 Sep - 8pm
      17°C

Grande-Synthe weather:
Mostly clear
0%      34%
Wind Speed: 14 kmh
Wind Gust: 27 kmh

Wed, 16 Sep - 9pm
      16°C

Grande-Synthe weather:
Mostly cloudy
0%      80%
Wind Speed: 12 kmh
Wind Gust: 23 kmh

Wed, 16 Sep - 10pm
      15°C

Grande-Synthe weather:
Partly cloudy
0%      60%
Wind Speed: 12 kmh
Wind Gust: 21 kmh

Wed, 16 Sep - 11pm
      15°C

Grande-Synthe weather:
Partly cloudy
1% Rain     58%
Wind Speed: 10 kmh
Wind Gust: 21 kmh

Thu, 17 Sep - 12am
      15°C

Grande-Synthe weather:
Mostly cloudy
1% Rain     65%
Wind Speed: 11 kmh
Wind Gust: 22 kmh

Thu, 17 Sep - 1am
      14°C

Grande-Synthe weather:
Cloudy
3% Rain     95%
Wind Speed: 12 kmh
Wind Gust: 22 kmh

Thu, 17 Sep - 2am
      14°C

Grande-Synthe weather:
Cloudy
4% Rain     96%
Wind Speed: 11 kmh
Wind Gust: 21 kmh

Thu, 17 Sep - 3am
      14°C

Grande-Synthe weather:
Cloudy
0%      100%
Wind Speed: 12 kmh
Wind Gust: 22 kmh

Thu, 17 Sep - 4am
      14°C

Grande-Synthe weather:
Cloudy
0%      100%
Wind Speed: 12 kmh
Wind Gust: 22 kmh

Thu, 17 Sep - 5am
      14°C

Grande-Synthe weather:
Cloudy
0%      100%
Wind Speed: 13 kmh
Wind Gust: 24 kmh

Thu, 17 Sep - 6am
      14°C

Grande-Synthe weather:
Cloudy
0%      94%
Wind Speed: 14 kmh
Wind Gust: 26 kmh

Thu, 17 Sep - 7am
      14°C

Grande-Synthe weather:
Mostly cloudy
0%      78%
Wind Speed: 12 kmh
Wind Gust: 25 kmh

Thu, 17 Sep - 8am
      14°C

Grande-Synthe weather:
Cloudy
0%      97%
Wind Speed: 13 kmh
Wind Gust: 25 kmh

Thu, 17 Sep - 9am
      14°C

Grande-Synthe weather:
Cloudy
10% Rain     98%
Wind Speed: 14 kmh
Wind Gust: 28 kmh

Thu, 17 Sep - 10am
      15°C

Grande-Synthe weather:
Cloudy
12% Rain     97%
Wind Speed: 16 kmh
Wind Gust: 31 kmh

Thu, 17 Sep - 11am
      17°C

Grande-Synthe weather:
Cloudy
14% Rain     96%
Wind Speed: 20 kmh
Wind Gust: 37 kmh

Attribution:             







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