Grande Synthe Weather Conditions
Current Temperature Level
Grande Synthe Weather Conditions
Current Temperature Level
Last Updated: 2026-08-19 10:45 (Local Time)
Patchy rain nearby
Occasional light rain is expected and humidity will be 69%, with winds at 23.4 km/h.22°C / 16°C
Sunrise
06:44 AM14hrs 20min
Sunset
09:04 PMAugustWeather Overview
No. of days:
Sunny
18
Cloudy
0
Rainy
9
Snowy
0
The monthly weather averages in Grande Synthe consist of 18 sunny days, 0 cloudy days, 9 rainy days, and 0 snowy days.
Grande Synthe's Locations Weather Conditions
France's Hottest Cities - August 2026
1.
Nimes, Occitanie
32 °C
Sunny
28%
4.1
3.6 kmph / WNW
2.
Orange, Provence Alpes Cote dAzur
32 °C
Sunny
29%
4.2
10.4 kmph / N
3.
Avignon, Provence Alpes Cote dAzur
32 °C
Sunny
29%
4.2
10.4 kmph / N
4.
Castelnau Le Lez, Occitanie
31 °C
Sunny
36%
4
3.6 kmph / SE
5.
Istres, Provence Alpes Cote dAzur
31 °C
Sunny
34%
4.2
7.9 kmph / NNW
6.
La Valette Du Var, Provence Alpes Cote dAzur
31 °C
Sunny
40%
4.6
7.6 kmph / SSW
7.
Salon De Provence, Provence Alpes Cote dAzur
31 °C
Sunny
30%
4.3
9.7 kmph / NNW
8.
Gardanne, Provence Alpes Cote dAzur
30 °C
Sunny
28%
4.4
7.9 kmph / W
9.
Arles, Provence Alpes Cote dAzur
30 °C
Sunny
33%
2.4
11.9 kmph / N
10.
Aix En Provence, Provence Alpes Cote dAzur
30 °C
Sunny
28%
4.4
7.9 kmph / W
Last Updated: 19 Aug 2026, 09:34 AM
City Weather RankingsFAQs About Grande Synthe Weather Conditions
1. What is the current temperature in Grande Synthe today - 19 August 2026?
1. What is the current temperature in Grande Synthe today - 19 August 2026?
The current temperature in Grande Synthe is 19°C, with a feels-like temperature of 15°C. Today's forecast shows a high of 22°C and a low of 16°C, giving a 6 degree swing through the day as of 10:45 AM 19 August 2026.
2. What are the current weather parameters in Grande Synthe today?
2. What are the current weather parameters in Grande Synthe today?
Here is a complete overview of Grande Synthe's current weather conditions as of 10:45 AM 19 August 2026: Condition : Patchy rain nearby Temperature : 19°C Cool (Feels like 15°C) Humidity : 68% Wind Speed : 22 km/h from W (262 degrees), Gust 7.7 m/s UV Index : 0.9 (Low Air Pressure : 1008 mb Cloud Cover : 100% Visibility : 10 km Precipitation : 0.1 mm (57% chance of rain)
3. What is the 10-day weather forecast for Grande Synthe from 10:45 AM 19 August 2026?
3. What is the 10-day weather forecast for Grande Synthe from 10:45 AM 19 August 2026?
From 10:45 AM 19 August 2026, Grande Synthe's 10-day forecast shows this trend: Today (Aug. 19) : Temp. 19°C, Hum. 69% and Patchy rain nearby condition. Thursday (Aug. 20) : Temp. 19°C, Hum. 66% and Patchy rain nearby condition. Friday (Aug. 21) : Temp. 18°C, Hum. 68% and Patchy rain nearby condition. Saturday (Aug. 22) : Temp. 17°C, Hum. 70% and Patchy rain nearby condition. Sunday (Aug. 23) : Temp. 17°C, Hum. 61% and Sunny condition. Monday (Aug. 24) : Temp. 17°C, Hum. 62% and Sunny condition. Tuesday (Aug. 25) : Temp. 20°C, Hum. 65% and Sunny condition. Wednesday (Aug. 26) : Temp. 21°C, Hum. 64% and Overcast condition. Thursday (Aug. 27) : Temp. 18°C, Hum. 74% and Heavy Rain condition. Friday (Aug. 28) : Temp. 18°C, Hum. 74% and Rain condition.
4. Will it rain in Grande Synthe today?
4. Will it rain in Grande Synthe today?
As of 10:45 AM 19 August 2026, yes — Grande Synthe is currently experiencing rainfall with 0.1 mm of precipitation. This is expected to temporarily improve AQI by washing pollutants out of the atmosphere.
5. What is the monthly weather forecast for Grande Synthe in August 2026?
5. What is the monthly weather forecast for Grande Synthe in August 2026?
August 2026 in Grande Synthe is forecast to have 18 sunny days, 9 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around -1°C to highs of 30°C.
6. How does the weather in Grande Synthe affect air quality?
6. How does the weather in Grande Synthe affect air quality?
Weather directly impacts air quality in Grande Synthe. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.



