Live Weather & Forecast
Weather in Grande-Synthe
Nord, France · Real-time conditions & 3-day outlook
14°C
Feels like 13°C
58°F / Feels 55°F
Partly cloudy
Grande-Synthe, Nord
🌙 Nighttime
Updated: 2026-04-15 23:15
Humidity
77%
Wind
19.4 km/h SW
Wind Gust
31.6 km/h
Pressure
1018 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
9.9°C
Wind Degree
228°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
215.9 μg/m³
NO₂
12.2 μg/m³
O₃
61 μg/m³
SO₂
5.9 μg/m³
PM 2.5
8.4 μg/m³
PM 10
12.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for Grande-Synthe, Nord
12 AM
10°
Clear
1 AM
10°
Clear
2 AM
10°
Partly Cloudy
3 AM
9°
Partly Cloudy
4 AM
9°
Partly Cloudy
5 AM
9°
Overcast
6 AM
10°
Overcast
7 AM
10°
Overcast
8 AM
10°
Partly Cloudy
9 AM
11°
Partly Cloudy
10 AM
12°
Partly Cloudy
11 AM
13°
Partly Cloudy
12 PM
15°
Cloudy
1 PM
14°
Patchy rain nearby
2 PM
12°
Patchy rain nearby
3 PM
13°
Cloudy
4 PM
15°
Patchy rain nearby
5 PM
14°
Patchy rain nearby
6 PM
15°
Patchy rain nearby
7 PM
15°
Patchy rain nearby
8 PM
14°
Patchy rain nearby
9 PM
13°
Patchy rain nearby
10 PM
12°
Partly Cloudy
11 PM
14°
Partly cloudy
3-Day Forecast
Daily overview for Grande-Synthe, Nord
Today
Patchy rain nearby
15°
/
9°
🌧️ 80% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 26.3 km/h
🌧️ Total precip: 0.6 mm
☀️ UV Index: 0.5
🌅 Sunrise: 06:56 AM
🌇 Sunset: 08:46 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Partly Cloudy
14°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:54 AM
🌇 Sunset: 08:48 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Sunny
15°
/
10°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 20.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:52 AM
🌇 Sunset: 08:50 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Grande-Synthe
Plan your trip to Grande-Synthe, France around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Grande-Synthe?
Current conditions in Grande-Synthe: Partly cloudy, temperature 14°C, humidity 77%.
What is the best time to visit Grande-Synthe?
The best time to visit Grande-Synthe is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Grande-Synthe?
Grande-Synthe is located at approximately 51° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Grande-Synthe?
The wettest period in Grande-Synthe is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Grande-Synthe?
For visits to Grande-Synthe during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Grande-Synthe in 2026?
View the 2026 public holidays for Grande-Synthe on our Holidays page.
What are the GPS coordinates used for the weather forecast in Grande-Synthe?
The weather forecast for Grande-Synthe uses coordinates 51.0135, 2.303.