See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:38
Sunrise
19:40
Sunset
Moon
Waxing Gibbous
17:26
Moonrise
01:04
Moonset
Daily Forecast
Today
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Air Quality Data Available
Upgrade to access real-time air quality data for Saint-Quentin.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Saint-Quentin.
View stargazing scoreWeather in Saint-Quentin today, September 20, 2026
Saint-Quentin stays under cloudy skies on September 20, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open.
Temperatures climb from an overnight low near 13°C toward a daytime high of about 21°C. Expect humidity between 57% and 70%, most humid near 23:00. Expect gentle winds, highest near 16:00 at 5.0 km/h.
Afternoon skies stay clogged, peaking close to 100% near 16:00. The grey theme continues rather than clearing out. Visibility holds near 39.5 km, though it can fall to 38.0 km. Expect sunrise at 07:38, sunset at 19:40, and 12 hours 1 minutes of sunlight today overall.
The practical takeaway for Saint-Quentin on September 20, 2026 is a cloudy day that stays usable, just not particularly bright, around 21°C.
Frequently asked questions about weather in Saint-Quentin
How warm does it get in Saint-Quentin?
The warmest month in Saint-Quentin is August, with average high temperatures of 25°C. The average temperature during this period is around 19°C.
How cold does it get in Saint-Quentin?
The coldest month in Saint-Quentin is January, with average low temperatures of 2°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Saint-Quentin?
The wettest month in Saint-Quentin is January, with an average of 87mm of precipitation.
What is the driest time of year in Saint-Quentin?
The driest month in Saint-Quentin is April, with an average of 52mm of precipitation.
Explore more weather forecasts
- Tergnier, Hauts-de-France
- Paris, Île-de-France
- Chauny, Hauts-de-France
- Marseille, Provence-Alpes-Côte d'Azur
- Caudry, Hauts-de-France
- Lyon, Auvergne-Rhône-Alpes
- Noyon, Hauts-de-France
- Toulouse, Occitanie
- Cambrai, Hauts-de-France
- Nice, Provence-Alpes-Côte d'Azur
- Laon, Hauts-de-France
- Nantes, Pays de la Loire
- Albert, Hauts-de-France
- Marne La Vallée, Île-de-France
- Douchy-les-Mines, Hauts-de-France
- Strasbourg, Grand Est