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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 Thursday, 20 August 2026 at 11:04 from the nearest observation station of Grande-Synthe.

Thursday, August 20th

22°C     15°C

85%
 38%


Rain

Temperature Max: 22°C    Temperature Min: 15°C
Precipitation Probability: 85% (Rain)
Percentage of sky occluded by clouds: 38%
Wind speed: 26 km/h North-East
Humidity: 70%°        UV Index: 5
Sunrise: 06:45     Sunset: 21:02

Friday, August 21st

19°C     16°C

82%
 94%


Drizzle

Temperature Max: 19°C    Temperature Min: 16°C
Precipitation Probability: 82% (Rain)
Percentage of sky occluded by clouds: 94%
Wind speed: 15 km/h South
Humidity: 72%°        UV Index: 3
Sunrise: 06:47     Sunset: 20:59

Saturday, August 22nd

19°C     14°C

59%
 45%


Rain

Temperature Max: 19°C    Temperature Min: 14°C
Precipitation Probability: 59% (Rain)
Percentage of sky occluded by clouds: 45%
Wind speed: 18 km/h South
Humidity: 67%°        UV Index: 4
Sunrise: 06:48     Sunset: 20:57

Sunday, August 23rd

21°C     11°C

0%
 19%


Mostly clear

Temperature Max: 21°C    Temperature Min: 11°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 19%
Wind speed: 8 km/h South
Humidity: 64%°        UV Index: 5
Sunrise: 06:50     Sunset: 20:55

Monday, August 24th

23°C     12°C

0%
 26%


Mostly clear

Temperature Max: 23°C    Temperature Min: 12°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 26%
Wind speed: 20 km/h West
Humidity: 61%°        UV Index: 5
Sunrise: 06:51     Sunset: 20:53

Tuesday, August 25th

26°C     15°C

52%
 80%


Rain

Temperature Max: 26°C    Temperature Min: 15°C
Precipitation Probability: 52% (Rain)
Percentage of sky occluded by clouds: 80%
Wind speed: 13 km/h North-West
Humidity: 70%°        UV Index: 4
Sunrise: 06:53     Sunset: 20:51

Wednesday, August 26th

26°C     17°C

42%
 69%


Thunderstorms

Temperature Max: 26°C    Temperature Min: 17°C
Precipitation Probability: 42% (Rain)
Percentage of sky occluded by clouds: 69%
Wind speed: 12 km/h North
Humidity: 72%°        UV Index: 4
Sunrise: 06:54     Sunset: 20:49

Thursday, August 27th

24°C     18°C

54%
 92%


Drizzle

Temperature Max: 24°C    Temperature Min: 18°C
Precipitation Probability: 54% (Rain)
Percentage of sky occluded by clouds: 92%
Wind speed: 15 km/h North-East
Humidity: 74%°        UV Index: 4
Sunrise: 06:56     Sunset: 20:47

Friday, August 28th

21°C     16°C

45%
 73%


Drizzle

Temperature Max: 21°C    Temperature Min: 16°C
Precipitation Probability: 45% (Rain)
Percentage of sky occluded by clouds: 73%
Wind speed: 19 km/h North-East
Humidity: 76%°        UV Index: 4
Sunrise: 06:57     Sunset: 20:45

Saturday, August 29th

21°C     15°C

47%
 82%


Rain

Temperature Max: 21°C    Temperature Min: 15°C
Precipitation Probability: 47% (Rain)
Percentage of sky occluded by clouds: 82%
Wind speed: 25 km/h North-East
Humidity: 72%°        UV Index: 4
Sunrise: 06:59     Sunset: 20:43









Latest Grande-Synthe weather conditions
The latest weather data for Grande-Synthe were collected Thursday, 20 August 2026 at 11:04 from the nearest observation station of Grande-Synthe.

Latest weather conditions collected Thu, 20 August at 11:04

19°C

1005.72 hPa
1 mm/h
 58%


Drizzle

Temperature: 19°C
Pressure: 1005.72 mbars
Precipitation Intensity: 1 mm/h
Percentage of sky occluded by clouds: 58%
Wind speed: 22 km/h North-East
Wind Gust Speed: 41.02 km/h
Visibility: 13113.51 km    Humidity: 77%
Dew Point: 15°        UV Index: 3








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

Thu, 20 Aug - 4pm
      22°C

Grande-Synthe weather:
Windy
0%      36%
Wind Speed: 32 kmh
Wind Gust: 51 kmh

Thu, 20 Aug - 5pm
      22°C

Grande-Synthe weather:
Windy
5% Rain     32%
Wind Speed: 32 kmh
Wind Gust: 51 kmh

Thu, 20 Aug - 6pm
      21°C

Grande-Synthe weather:
Windy
5% Rain     30%
Wind Speed: 31 kmh
Wind Gust: 50 kmh

Thu, 20 Aug - 7pm
      21°C

Grande-Synthe weather:
Windy
4% Rain     15%
Wind Speed: 29 kmh
Wind Gust: 48 kmh

Thu, 20 Aug - 8pm
      20°C

Grande-Synthe weather:
Windy
6% Rain     15%
Wind Speed: 26 kmh
Wind Gust: 44 kmh

Thu, 20 Aug - 9pm
      19°C

Grande-Synthe weather:
Mostly clear
9% Rain     13%
Wind Speed: 23 kmh
Wind Gust: 40 kmh

Thu, 20 Aug - 10pm
      18°C

Grande-Synthe weather:
Mostly clear
8% Rain     14%
Wind Speed: 19 kmh
Wind Gust: 37 kmh

Thu, 20 Aug - 11pm
      17°C

Grande-Synthe weather:
Partly cloudy
10% Rain     47%
Wind Speed: 15 kmh
Wind Gust: 32 kmh

Fri, 21 Aug - 12am
      17°C

Grande-Synthe weather:
Mostly clear
10% Rain     24%
Wind Speed: 15 kmh
Wind Gust: 31 kmh

Fri, 21 Aug - 1am
      16°C

Grande-Synthe weather:
Partly cloudy
0%      43%
Wind Speed: 13 kmh
Wind Gust: 26 kmh

Fri, 21 Aug - 2am
      16°C

Grande-Synthe weather:
Partly cloudy
11% Rain     46%
Wind Speed: 11 kmh
Wind Gust: 21 kmh

Fri, 21 Aug - 3am
      16°C

Grande-Synthe weather:
Partly cloudy
9% Rain     62%
Wind Speed: 10 kmh
Wind Gust: 17 kmh

Fri, 21 Aug - 4am
      16°C

Grande-Synthe weather:
Mostly cloudy
7% Rain     83%
Wind Speed: 7 kmh
Wind Gust: 15 kmh

Fri, 21 Aug - 5am
      16°C

Grande-Synthe weather:
Mostly cloudy
8% Rain     86%
Wind Speed: 8 kmh
Wind Gust: 15 kmh

Fri, 21 Aug - 6am
      16°C

Grande-Synthe weather:
Cloudy
8% Rain     89%
Wind Speed: 10 kmh
Wind Gust: 17 kmh

Fri, 21 Aug - 7am
      16°C

Grande-Synthe weather:
Mostly cloudy
9% Rain     82%
Wind Speed: 10 kmh
Wind Gust: 19 kmh

Fri, 21 Aug - 8am
      16°C

Grande-Synthe weather:
Cloudy
18% Rain     91%
Wind Speed: 12 kmh
Wind Gust: 21 kmh

Fri, 21 Aug - 9am
      17°C

Grande-Synthe weather:
Cloudy
17% Rain     92%
Wind Speed: 9 kmh
Wind Gust: 21 kmh

Fri, 21 Aug - 10am
      17°C

Grande-Synthe weather:
Cloudy
21% Rain     99%
Wind Speed: 14 kmh
Wind Gust: 23 kmh

Fri, 21 Aug - 11am
      18°C

Grande-Synthe weather:
Cloudy
24% Rain     97%
Wind Speed: 16 kmh
Wind Gust: 25 kmh

Fri, 21 Aug - 12pm
      18°C

Grande-Synthe weather:
Drizzle
25% Rain     100%
Wind Speed: 15 kmh
Wind Gust: 25 kmh

Fri, 21 Aug - 1pm
      19°C

Grande-Synthe weather:
Drizzle
25% Rain     96%
Wind Speed: 16 kmh
Wind Gust: 26 kmh

Fri, 21 Aug - 2pm
      19°C

Grande-Synthe weather:
Drizzle
26% Rain     98%
Wind Speed: 19 kmh
Wind Gust: 30 kmh

Fri, 21 Aug - 3pm
      19°C

Grande-Synthe weather:
Cloudy
22% Rain     98%
Wind Speed: 18 kmh
Wind Gust: 30 kmh

Attribution:             







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