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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 Monday, 15 September 2025 at 19:06 from the nearest observation station of Grande-Synthe.

Monday, September 15th

19°C     15°C

83%
 43%


Rain

Temperature Max: 19°C    Temperature Min: 15°C
Precipitation Probability: 83% (Rain)
Percentage of sky occluded by clouds: 43%
Wind speed: 42 km/h North-East
Humidity: 70%°        UV Index: 4
Sunrise: 07:26     Sunset: 20:04

Tuesday, September 16th

19°C     13°C

0%
 47%


Windy

Temperature Max: 19°C    Temperature Min: 13°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 47%
Wind speed: 31 km/h East
Humidity: 66%°        UV Index: 4
Sunrise: 07:28     Sunset: 20:02

Wednesday, September 17th

20°C     13°C

65%
 93%


Thunderstorms

Temperature Max: 20°C    Temperature Min: 13°C
Precipitation Probability: 65% (Rain)
Percentage of sky occluded by clouds: 93%
Wind speed: 25 km/h North-East
Humidity: 80%°        UV Index: 4
Sunrise: 07:29     Sunset: 20:00

Thursday, September 18th

22°C     17°C

0%
 67%


Windy

Temperature Max: 22°C    Temperature Min: 17°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 67%
Wind speed: 26 km/h North-East
Humidity: 77%°        UV Index: 4
Sunrise: 07:31     Sunset: 19:57

Friday, September 19th

25°C     15°C

0%
 36%


Mostly clear

Temperature Max: 25°C    Temperature Min: 15°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 36%
Wind speed: 12 km/h North
Humidity: 71%°        UV Index: 5
Sunrise: 07:32     Sunset: 19:55

Saturday, September 20th

26°C     17°C

40%
 65%


Thunderstorms

Temperature Max: 26°C    Temperature Min: 17°C
Precipitation Probability: 40% (Rain)
Percentage of sky occluded by clouds: 65%
Wind speed: 12 km/h North
Humidity: 72%°        UV Index: 4
Sunrise: 07:34     Sunset: 19:53

Sunday, September 21st

19°C     15°C

54%
 85%


Thunderstorms

Temperature Max: 19°C    Temperature Min: 15°C
Precipitation Probability: 54% (Rain)
Percentage of sky occluded by clouds: 85%
Wind speed: 17 km/h North-East
Humidity: 78%°        UV Index: 3
Sunrise: 07:35     Sunset: 19:51

Monday, September 22nd

18°C     13°C

57%
 78%


Drizzle

Temperature Max: 18°C    Temperature Min: 13°C
Precipitation Probability: 57% (Rain)
Percentage of sky occluded by clouds: 78%
Wind speed: 18 km/h North-East
Humidity: 74%°        UV Index: 3
Sunrise: 07:37     Sunset: 19:48

Tuesday, September 23rd

18°C     11°C

45%
 44%


Drizzle

Temperature Max: 18°C    Temperature Min: 11°C
Precipitation Probability: 45% (Rain)
Percentage of sky occluded by clouds: 44%
Wind speed: 24 km/h North-East
Humidity: 71%°        UV Index: 3
Sunrise: 07:38     Sunset: 19:46

Wednesday, September 24th

18°C     12°C

53%
 38%


Thunderstorms

Temperature Max: 18°C    Temperature Min: 12°C
Precipitation Probability: 53% (Rain)
Percentage of sky occluded by clouds: 38%
Wind speed: 23 km/h North-East
Humidity: 70%°        UV Index: 4
Sunrise: 07:40     Sunset: 19:44









Latest Grande-Synthe weather conditions
The latest weather data for Grande-Synthe were collected Monday, 15 September 2025 at 19:06 from the nearest observation station of Grande-Synthe.

Latest weather conditions collected Mon, 15 September at 19:06

17°C

1008.59 hPa
0 mm/h
 41%


Windy

Temperature: 17°C
Pressure: 1008.59 mbars
Precipitation Intensity: 0 mm/h
Percentage of sky occluded by clouds: 41%
Wind speed: 43 km/h North-East
Wind Gust Speed: 75.46 km/h
Visibility: 22598.21 km    Humidity: 70%
Dew Point: 11°        UV Index: 0








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

Mon, 15 Sep - 10pm
      16°C

Grande-Synthe weather:
Windy
0%      37%
Wind Speed: 38 kmh
Wind Gust: 69 kmh

Mon, 15 Sep - 11pm
      15°C

Grande-Synthe weather:
Windy
0%      24%
Wind Speed: 37 kmh
Wind Gust: 67 kmh

Tue, 16 Sep - 12am
      15°C

Grande-Synthe weather:
Windy
0%      18%
Wind Speed: 37 kmh
Wind Gust: 67 kmh

Tue, 16 Sep - 1am
      15°C

Grande-Synthe weather:
Windy
0%      26%
Wind Speed: 37 kmh
Wind Gust: 67 kmh

Tue, 16 Sep - 2am
      14°C

Grande-Synthe weather:
Windy
0%      32%
Wind Speed: 37 kmh
Wind Gust: 65 kmh

Tue, 16 Sep - 3am
      14°C

Grande-Synthe weather:
Windy
0%      17%
Wind Speed: 36 kmh
Wind Gust: 63 kmh

Tue, 16 Sep - 4am
      14°C

Grande-Synthe weather:
Windy
0%      17%
Wind Speed: 35 kmh
Wind Gust: 63 kmh

Tue, 16 Sep - 5am
      14°C

Grande-Synthe weather:
Windy
0%      14%
Wind Speed: 34 kmh
Wind Gust: 61 kmh

Tue, 16 Sep - 6am
      14°C

Grande-Synthe weather:
Windy
0%      14%
Wind Speed: 33 kmh
Wind Gust: 59 kmh

Tue, 16 Sep - 7am
      13°C

Grande-Synthe weather:
Windy
0%      21%
Wind Speed: 32 kmh
Wind Gust: 58 kmh

Tue, 16 Sep - 8am
      13°C

Grande-Synthe weather:
Windy
0%      24%
Wind Speed: 30 kmh
Wind Gust: 56 kmh

Tue, 16 Sep - 9am
      14°C

Grande-Synthe weather:
Windy
0%      14%
Wind Speed: 31 kmh
Wind Gust: 55 kmh

Tue, 16 Sep - 10am
      15°C

Grande-Synthe weather:
Windy
0%      21%
Wind Speed: 32 kmh
Wind Gust: 58 kmh

Tue, 16 Sep - 11am
      16°C

Grande-Synthe weather:
Windy
0%      22%
Wind Speed: 33 kmh
Wind Gust: 59 kmh

Tue, 16 Sep - 12pm
      17°C

Grande-Synthe weather:
Windy
0%      30%
Wind Speed: 32 kmh
Wind Gust: 58 kmh

Tue, 16 Sep - 1pm
      18°C

Grande-Synthe weather:
Windy
0%      41%
Wind Speed: 31 kmh
Wind Gust: 57 kmh

Tue, 16 Sep - 2pm
      18°C

Grande-Synthe weather:
Windy
0%      38%
Wind Speed: 31 kmh
Wind Gust: 56 kmh

Tue, 16 Sep - 3pm
      18°C

Grande-Synthe weather:
Windy
0%      54%
Wind Speed: 30 kmh
Wind Gust: 56 kmh

Tue, 16 Sep - 4pm
      18°C

Grande-Synthe weather:
Windy
0%      78%
Wind Speed: 30 kmh
Wind Gust: 54 kmh

Tue, 16 Sep - 5pm
      18°C

Grande-Synthe weather:
Windy
0%      93%
Wind Speed: 29 kmh
Wind Gust: 52 kmh

Tue, 16 Sep - 6pm
      18°C

Grande-Synthe weather:
Windy
0%      94%
Wind Speed: 28 kmh
Wind Gust: 47 kmh

Tue, 16 Sep - 7pm
      17°C

Grande-Synthe weather:
Windy
0%      95%
Wind Speed: 25 kmh
Wind Gust: 44 kmh

Tue, 16 Sep - 8pm
      16°C

Grande-Synthe weather:
Cloudy
0%      95%
Wind Speed: 23 kmh
Wind Gust: 41 kmh

Tue, 16 Sep - 9pm
      15°C

Grande-Synthe weather:
Cloudy
0%      92%
Wind Speed: 21 kmh
Wind Gust: 38 kmh

Attribution:             







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