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Weather in Grande-Synthe

July 20, 2026, 21:13
Clear/Sunny
+18°C
Clear/Sunny
Feels like: +18°C

Now clear/sunny. No major precipitation expected, gusts up to 8 m/s.

Precipitation map

Now clear/sunny. No major precipitation expected, gusts up to 8 m/s.

Weather in the next hours

21:00
Clear/Sunny
+18°C
0%
22:00
Clear/Sunny
+17°C
0%
23:00
Clear/Sunny
+17°C
0%
00:00
Clear/Sunny
+16°C
0%
01:00
Clear/Sunny
+16°C
0%
02:00
Clear/Sunny
+15°C
0%
03:00
Clear/Sunny
+15°C
0%
04:00
Partly Cloudy
+15°C
0%
05:00
Partly Cloudy
+15°C
0%
06:00
Partly Cloudy
+15°C
0%
07:00
Partly Cloudy
+15°C
5%
08:00
Partly Cloudy
+16°C
5%
09:00
Partly Cloudy
+18°C
5%
10:00
Partly Cloudy
+19°C
5%
11:00
Partly Cloudy
+20°C
5%
12:00
Partly Cloudy
+20°C
5%
13:00
Cloudy
+20°C
10%
14:00
Light rain
+20°C
20%
15:00
Light rain
+20°C
20%
16:00
Partly Cloudy
+21°C
15%
17:00
Partly Cloudy
+21°C
15%
Sea temperature
+21°C
Comfortable for swimming

Comfortable water for most swimmers without a strong cold shock.

Cool Comfort Warm

Forecast for the next 21 hours

Today

Jul 20

21:00
Clear/Sunny
+18°C
0%
4 m/s
65%
770
8 m/s
↓↙ NNE
mmHg

Clear/Sunny

Feels like +18°C
Precipitation amount 0 mm
Humidity 65%
Cloud cover 4%
Pressure 770 mmHg
Visibility 16 km
UV index -
22:00
Clear/Sunny
+17°C
0%
4 m/s
70%
770
8 m/s
↓↙ NNE
mmHg

Clear/Sunny

Feels like +17°C
Precipitation amount 0 mm
Humidity 70%
Cloud cover 1%
Pressure 770 mmHg
Visibility 16 km
UV index -
23:00
Clear/Sunny
+17°C
0%
4 m/s
73%
770
6 m/s
↓↙ NNE
mmHg

Clear/Sunny

Feels like +16°C
Precipitation amount 0 mm
Humidity 73%
Cloud cover 0%
Pressure 770 mmHg
Visibility 16 km
UV index -

Tomorrow

Jul 21

00:00
Clear/Sunny
+16°C
0%
4 m/s
76%
770
6 m/s
↓↙ NNE
mmHg

Clear/Sunny

Feels like +16°C
Precipitation amount 0 mm
Humidity 76%
Cloud cover 2%
Pressure 770 mmHg
Visibility 16 km
UV index -
01:00
Clear/Sunny
+16°C
0%
4 m/s
77%
770
5 m/s
↓↙ NNE
mmHg

Clear/Sunny

Feels like +15°C
Precipitation amount 0 mm
Humidity 77%
Cloud cover 6%
Pressure 770 mmHg
Visibility 16 km
UV index -
Hour
Temperature
Feels like
Precipitation chance
Wind speed
Precipitation amount
Humidity
Cloud cover
Pressure
Visibility
UV index
Now
Clear/Sunny
Clear/Sunny
+18°C
+18°C
0%
4 m/s ↓↙ NNE
0 mm
65%
4%
770 mmHg
16 km
-
22:00
Clear/Sunny
Clear/Sunny
+17°C
+17°C
0%
4 m/s ↓↙ NNE
0 mm
70%
1%
770 mmHg
16 km
-
23:00
Clear/Sunny
Clear/Sunny
+17°C
+16°C
0%
4 m/s ↓↙ NNE
0 mm
73%
0%
770 mmHg
16 km
-
Tomorrow
Clear/Sunny
Clear/Sunny
+16°C
+16°C
0%
4 m/s ↓↙ NNE
0 mm
76%
2%
770 mmHg
16 km
-
01:00
Clear/Sunny
Clear/Sunny
+16°C
+15°C
0%
4 m/s ↓↙ NNE
0 mm
77%
6%
770 mmHg
16 km
-
02:00
Clear/Sunny
Clear/Sunny
+15°C
+15°C
0%
3 m/s ↓↙ NNE
0 mm
79%
13%
770 mmHg
16 km
-
03:00
Clear/Sunny
Clear/Sunny
+15°C
+14°C
0%
3 m/s ↓↙ NNE
0 mm
80%
17%
770 mmHg
16 km
-
04:00
Partly Cloudy
Partly Cloudy
+15°C
+14°C
0%
3 m/s ↓↙ NNE
0 mm
81%
28%
770 mmHg
16 km
-
05:00
Partly Cloudy
Partly Cloudy
+15°C
+14°C
0%
3 m/s ↓↙ NNE
0 mm
81%
35%
770 mmHg
16 km
-
06:00
Partly Cloudy
Partly Cloudy
+15°C
+14°C
0%
3 m/s ↓↙ NNE
0 mm
82%
32%
770 mmHg
16 km
-
07:00
Partly Cloudy
Partly Cloudy
+15°C
+15°C
5%
3 m/s ↓↙ NNE
0 mm
81%
58%
770 mmHg
16 km
-
08:00
Partly Cloudy
Partly Cloudy
+16°C
+16°C
5%
3 m/s ↓↙ NNE
0 mm
79%
55%
770 mmHg
16 km
-
09:00
Partly Cloudy
Partly Cloudy
+18°C
+18°C
5%
4 m/s ↓↙ NNE
0 mm
74%
50%
770 mmHg
16 km
1 point
10:00
Partly Cloudy
Partly Cloudy
+19°C
+25°C
5%
4 m/s ↓↙ NNE
0 mm
70%
61%
770 mmHg
16 km
2 points
11:00
Partly Cloudy
Partly Cloudy
+20°C
+25°C
5%
4 m/s ↓↙ NNE
0 mm
68%
56%
770 mmHg
16 km
3 points
12:00
Partly Cloudy
Partly Cloudy
+20°C
+25°C
5%
4 m/s ↓↙ NNE
0 mm
66%
64%
770 mmHg
16 km
4 points
13:00
Cloudy
Cloudy
Comfortable
+20°C
+25°C
10%
4 m/s ↓ N
0 mm
65%
71%
771 mmHg
16 km
4 points
14:00
Light rain
Light rain
+20°C
+25°C
20%
4 m/s ↓ N
0 mm
64%
76%
771 mmHg
16 km
4 points
15:00
Light rain
Light rain
+20°C
+25°C
20%
5 m/s ↓ N
0.1 mm
64%
66%
771 mmHg
16 km
4 points
16:00
Partly Cloudy
Partly Cloudy
Comfortable
+21°C
+24°C
15%
5 m/s ↓ N
0 mm
64%
52%
771 mmHg
16 km
4 points
17:00
Partly Cloudy
Partly Cloudy
Comfortable
+21°C
+24°C
15%
5 m/s ↓ N
0 mm
63%
24%
770 mmHg
16 km
4 points
Precipitation map
Sun and UV

Daylight

UV 0 points Low
Sunrise 05:59
Sunset 21:53
Daylight 15 hours 54 min Solar noon 13:56
Moon
First Quarter
Rise13:33 Set— Illumination34% PhaseWaxing
Now 14 days Month
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Next days

14-day view
Date
July 20 Today
July 21 Tomorrow
July 22 Day after tomorrow
July 23 Thursday
July 24 Friday
July 25 Saturday
July 26 Sunday
July 27 Monday
July 28 Tuesday
Day
Night
Sea t°
Rain
Wind
Press.
Hum.
Feels like
UV
Clouds
Visibility
Gusts
Partly Cloudy +20°C
Clear/Sunny +17°C
+21°C
20% 0.1 mm
6 m/s ↓ N
770 mmHg
57%
day +25°C / night +16°C
6 points
42%
16 km
10 m/s ↓ N
Light rain +20°C
Partly Cloudy +21°C
+21°C
20% 0.2 mm
5 m/s ↓ N
771 mmHg
64%
day +25°C / night +24°C
4 points
76%
16 km
9 m/s ↓ N
Light rain +22°C
Partly Cloudy +15°C
+21°C
20% 0.3 mm
4 m/s ↘→ NNW
No data
73%
day +25°C / night +14°C
2 points
99%
No data
8 m/s ↘→ NNW
Clear/Sunny +21°C
Clear/Sunny +13°C
+21°C
20% 0.2 mm
5 m/s ↓ N
No data
69%
day +25°C / night +13°C
5 points
97%
No data
9 m/s ↓ N
Overcast +24°C
Partly Cloudy +14°C
+21°C
10% 0 mm
4 m/s → W
No data
69%
day +26°C / night +14°C
2 points
99%
No data
9 m/s → W
Partly Cloudy +25°C
Partly Cloudy +16°C
+21°C
15% 0.1 mm
6 m/s →↗ WSW
No data
68%
day +26°C / night +16°C
3 points
83%
No data
14 m/s →↗ WSW
Partly Cloudy +23°C
Partly Cloudy +17°C
+21°C
15% 0.3 mm
6 m/s →↗ WSW
No data
79%
day +25°C / night +17°C
6 points
51%
No data
11 m/s →↗ WSW
Partly Cloudy +23°C
Partly Cloudy +15°C
+21°C
20% 0 mm
6 m/s →↘ WNW
No data
66%
day +25°C / night +15°C
5 points
71%
No data
12 m/s →↘ WNW
Light rain +24°C
Light rain +13°C
+20°C
25% 0.8 mm
5 m/s → W
No data
64%
day +25°C / night +13°C
4 points
99%
No data
9 m/s → W