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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, 19 August 2026 at 11:04 from the nearest observation station of Grande-Synthe.

Wednesday, August 19th

21°C     18°C

100%
 95%


Rain

Temperature Max: 21°C    Temperature Min: 18°C
Precipitation Probability: 100% (Rain)
Percentage of sky occluded by clouds: 95%
Wind speed: 16 km/h East
Humidity: 79%°        UV Index: 4
Sunrise: 06:44     Sunset: 21:04

Thursday, August 20th

22°C     15°C

81%
 37%


Rain

Temperature Max: 22°C    Temperature Min: 15°C
Precipitation Probability: 81% (Rain)
Percentage of sky occluded by clouds: 37%
Wind speed: 25 km/h North-East
Humidity: 71%°        UV Index: 5
Sunrise: 06:45     Sunset: 21:02

Friday, August 21st

19°C     15°C

74%
 94%


Rain

Temperature Max: 19°C    Temperature Min: 15°C
Precipitation Probability: 74% (Rain)
Percentage of sky occluded by clouds: 94%
Wind speed: 14 km/h South
Humidity: 74%°        UV Index: 3
Sunrise: 06:47     Sunset: 20:59

Saturday, August 22nd

20°C     14°C

55%
 43%


Rain

Temperature Max: 20°C    Temperature Min: 14°C
Precipitation Probability: 55% (Rain)
Percentage of sky occluded by clouds: 43%
Wind speed: 15 km/h South
Humidity: 65%°        UV Index: 5
Sunrise: 06:48     Sunset: 20:57

Sunday, August 23rd

20°C     13°C

0%
 48%


Partly cloudy

Temperature Max: 20°C    Temperature Min: 13°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 48%
Wind speed: 15 km/h Sout-East
Humidity: 65%°        UV Index: 4
Sunrise: 06:50     Sunset: 20:55

Monday, August 24th

22°C     14°C

41%
 75%


Drizzle

Temperature Max: 22°C    Temperature Min: 14°C
Precipitation Probability: 41% (Rain)
Percentage of sky occluded by clouds: 75%
Wind speed: 20 km/h Sout-East
Humidity: 63%°        UV Index: 4
Sunrise: 06:51     Sunset: 20:53

Tuesday, August 25th

21°C     16°C

72%
 75%


Rain

Temperature Max: 21°C    Temperature Min: 16°C
Precipitation Probability: 72% (Rain)
Percentage of sky occluded by clouds: 75%
Wind speed: 17 km/h Sout-East
Humidity: 75%°        UV Index: 4
Sunrise: 06:53     Sunset: 20:51

Wednesday, August 26th

24°C     15°C

49%
 75%


Drizzle

Temperature Max: 24°C    Temperature Min: 15°C
Precipitation Probability: 49% (Rain)
Percentage of sky occluded by clouds: 75%
Wind speed: 17 km/h North
Humidity: 69%°        UV Index: 4
Sunrise: 06:54     Sunset: 20:49

Thursday, August 27th

23°C     16°C

50%
 67%


Drizzle

Temperature Max: 23°C    Temperature Min: 16°C
Precipitation Probability: 50% (Rain)
Percentage of sky occluded by clouds: 67%
Wind speed: 16 km/h North-East
Humidity: 73%°        UV Index: 4
Sunrise: 06:56     Sunset: 20:47

Friday, August 28th

23°C     16°C

41%
 47%


Drizzle

Temperature Max: 23°C    Temperature Min: 16°C
Precipitation Probability: 41% (Rain)
Percentage of sky occluded by clouds: 47%
Wind speed: 15 km/h East
Humidity: 67%°        UV Index: 5
Sunrise: 06:57     Sunset: 20:45









Latest Grande-Synthe weather conditions
The latest weather data for Grande-Synthe were collected Wednesday, 19 August 2026 at 11:04 from the nearest observation station of Grande-Synthe.

Latest weather conditions collected Wed, 19 August at 11:04

19°C

1006.43 hPa
2 mm/h
 100%


Rain

Temperature: 19°C
Pressure: 1006.43 mbars
Precipitation Intensity: 2 mm/h
Percentage of sky occluded by clouds: 100%
Wind speed: 19 km/h East
Wind Gust Speed: 31.14 km/h
Visibility: 12816.69 km    Humidity: 80%
Dew Point: 16°        UV Index: 3








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

Wed, 19 Aug - 3pm
      20°C

Grande-Synthe weather:
Rain
51% Rain     100%
Wind Speed: 11 kmh
Wind Gust: 18 kmh

Wed, 19 Aug - 4pm
      20°C

Grande-Synthe weather:
Drizzle
51% Rain     98%
Wind Speed: 10 kmh
Wind Gust: 19 kmh

Wed, 19 Aug - 5pm
      21°C

Grande-Synthe weather:
Drizzle
41% Rain     98%
Wind Speed: 10 kmh
Wind Gust: 20 kmh

Wed, 19 Aug - 6pm
      21°C

Grande-Synthe weather:
Drizzle
30% Rain     84%
Wind Speed: 14 kmh
Wind Gust: 24 kmh

Wed, 19 Aug - 7pm
      21°C

Grande-Synthe weather:
Mostly clear
21% Rain     22%
Wind Speed: 17 kmh
Wind Gust: 28 kmh

Wed, 19 Aug - 8pm
      20°C

Grande-Synthe weather:
Partly cloudy
16% Rain     40%
Wind Speed: 18 kmh
Wind Gust: 29 kmh

Wed, 19 Aug - 9pm
      19°C

Grande-Synthe weather:
Mostly clear
10% Rain     36%
Wind Speed: 17 kmh
Wind Gust: 31 kmh

Wed, 19 Aug - 10pm
      19°C

Grande-Synthe weather:
Clear
8% Rain     11%
Wind Speed: 18 kmh
Wind Gust: 33 kmh

Wed, 19 Aug - 11pm
      18°C

Grande-Synthe weather:
Mostly clear
0%      17%
Wind Speed: 17 kmh
Wind Gust: 34 kmh

Thu, 20 Aug - 12am
      18°C

Grande-Synthe weather:
Mostly clear
0%      19%
Wind Speed: 19 kmh
Wind Gust: 37 kmh

Thu, 20 Aug - 1am
      17°C

Grande-Synthe weather:
Mostly clear
0%      27%
Wind Speed: 19 kmh
Wind Gust: 38 kmh

Thu, 20 Aug - 2am
      17°C

Grande-Synthe weather:
Mostly clear
0%      16%
Wind Speed: 18 kmh
Wind Gust: 32 kmh

Thu, 20 Aug - 3am
      17°C

Grande-Synthe weather:
Partly cloudy
0%      40%
Wind Speed: 18 kmh
Wind Gust: 32 kmh

Thu, 20 Aug - 4am
      16°C

Grande-Synthe weather:
Partly cloudy
0%      38%
Wind Speed: 17 kmh
Wind Gust: 31 kmh

Thu, 20 Aug - 5am
      16°C

Grande-Synthe weather:
Mostly clear
0%      30%
Wind Speed: 15 kmh
Wind Gust: 28 kmh

Thu, 20 Aug - 6am
      15°C

Grande-Synthe weather:
Partly cloudy
19% Rain     50%
Wind Speed: 15 kmh
Wind Gust: 28 kmh

Thu, 20 Aug - 7am
      15°C

Grande-Synthe weather:
Partly cloudy
21% Rain     40%
Wind Speed: 14 kmh
Wind Gust: 28 kmh

Thu, 20 Aug - 8am
      16°C

Grande-Synthe weather:
Drizzle
32% Rain     46%
Wind Speed: 15 kmh
Wind Gust: 28 kmh

Thu, 20 Aug - 9am
      17°C

Grande-Synthe weather:
Rain
47% Rain     51%
Wind Speed: 17 kmh
Wind Gust: 32 kmh

Thu, 20 Aug - 10am
      18°C

Grande-Synthe weather:
Rain
41% Rain     50%
Wind Speed: 20 kmh
Wind Gust: 36 kmh

Thu, 20 Aug - 11am
      19°C

Grande-Synthe weather:
Rain
34% Rain     48%
Wind Speed: 22 kmh
Wind Gust: 37 kmh

Thu, 20 Aug - 12pm
      20°C

Grande-Synthe weather:
Windy
25% Rain     56%
Wind Speed: 25 kmh
Wind Gust: 43 kmh

Thu, 20 Aug - 1pm
      20°C

Grande-Synthe weather:
Windy
20% Rain     43%
Wind Speed: 28 kmh
Wind Gust: 45 kmh

Thu, 20 Aug - 2pm
      21°C

Grande-Synthe weather:
Windy
18% Rain     44%
Wind Speed: 29 kmh
Wind Gust: 48 kmh

Attribution:             







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