Weather in Grande-Synthe, France: forecast and live map

Radar and the airport reports at Calais Arpt and Koksijde show the weather over Grande-Synthe as it is now; the forecast model adds temperature and wind. Each layer says whether it is measured or modelled.

  • 12 °CCalais Arpt, 25 km
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Right now · as of

  • Calais Arpt, 25 km: 12 °C, humidity 94%, wind SW 6 km/h, visibility 10+ km · 18 minutes ago
  • No lightning within 50 km of Grande-Synthe in the last 15 minutes. No rain or snow on radar within 50 km of Grande-Synthe.
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Grande-Synthe weather forecast

Mostly clear for Grande-Synthe, France today, with temperatures from 9 °C to 16 °C, no rain and wind up to 14 km/h.

  1. 5:00 AM9 °CSW 10 km/h–
  2. 8:00 AM9 °CS 7 km/h–
  3. 11:00 AM13 °CS 3 km/h–
  4. 2:00 PM16 °CE 5 km/h–
  5. 5:00 PM14 °CE 13 km/h–
  6. 8:00 PM11 °CE 11 km/h–
  7. 11:00 PM9 °CE 13 km/h–
  8. 2:00 AM9 °CE 14 km/h–
Grande-Synthe weather forecast
DaySkyHigh / lowRainWind up to
Today16 °C / 9 °C–14 km/h
Fri, Oct 3014 °C / 7 °C–24 km/h
Sat, Oct 3113 °C / 6 °C–20 km/h
Sun, Nov 112 °C / 6 °C2.6 mm9 km/h
Mon, Nov 213 °C / 12 °C1.5 mm27 km/h
Tue, Nov 313 °C / 11 °C1.8 mm20 km/h
Wed, Nov 411 °C / 7 °C–15 km/h

Forecast by MET Norway (CC BY 4.0), updated 02:17 AM GMT+1. Times are local.

What the map shows over Grande-Synthe

  • Rain radarMeasuredGrande-Synthe is inside RainViewer’s radar coverage. Frames every 10 minutes for the last 2 hours.Open on the mapAbout this layer
  • Live lightning mapMeasuredGrande-Synthe is inside the area Meteosat’s Lightning Imager sees from orbit. Flashes every 5 minutes.Open on the mapAbout this layer
  • Temperature mapForecast modelNOAA’s GFS model on a 0.25° grid, points about 25 km apart: the forecast for now, not a thermometer reading.Open on the mapAbout this layer
  • Wind mapForecast modelWind 10 metres up from the same model, so it smooths over streets and hills.Open on the mapAbout this layer
  • Severe weather alertsOfficial warningsSevere and extreme warnings that the national weather service shares with the WMO.Open on the mapAbout this layer
  • Airport weather (METAR)MeasuredThe latest reports from Calais Arpt (LFAC), 25 km away and Koksijde (EBFN), 26 km away, usually every hour.Open on the mapAbout this layer

Good to know

  • Radar, lightning and airport reports are measurements. Temperature and wind are a forecast model’s values for the nearest hour, which can differ from what a thermometer in Grande-Synthe reads.
  • Past about zoom 7 for radar and zoom 8 for lightning the map shows no finer detail: it can’t resolve the weather of one street.
  • For a picture of conditions, not for safety decisions: follow the warnings of your local weather service.

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