🇫🇷 Weather in Saint-Quentin-en-Yvelines
Map Overlays:
Hourly Forecast for Saint-Quentin-en-Yvelines
03:00
17°
15%
04:00
16°
13%
05:00
15°
8%
06:00
14°
21%
07:00
14°
25%
08:00
14°
24%
09:00
15°
9%
10:00
17°
15%
11:00
18°
4%
12:00
20°
3%
13:00
22°
2%
14:00
23°
9%
15:00
24°
1%
16:00
25°
6%
17:00
25°
1%
18:00
24°
1%
19:00
24°
1%
20:00
23°
1%
21:00
22°
1%
22:00
21°
1%
23:00
20°
1%
00:00
19°
1%
01:00
18°
2%
02:00
18°
4%
14-Day Forecast for Saint-Quentin-en-Yvelines
2026-09-05
Sunny
25° /
14°
2026-09-06
Overcast
29° /
16°
2026-09-07
Overcast
27° /
19°
2026-09-08
Overcast
18° /
13°
2026-09-09
Overcast
19° /
11°
2026-09-10
Overcast
18° /
12°
2026-09-11
Overcast
20° /
15°
Additional Forecasts for Saint-Quentin-en-Yvelines
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 133.0 μg/m³
O₃ (Ozone) 53.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.1 μg/m³
SO₂ (Sulphur Dioxide) 0.4 μg/m³
PM2.5 (Fine particles) 4.0 μg/m³
PM10 (Coarse particles) 8.9 μg/m³
Historical Weather
Weather Forecasts for Other Cities in France
Weather in Saint-Quentin-en-Yvelines — FAQ
Answers refreshed each request based on current conditions in Saint-Quentin-en-Yvelines.
What is the weather like right now in Saint-Quentin-en-Yvelines?
Right now in Saint-Quentin-en-Yvelines, France the temperature is 17.3°C (feels like 15.5°C), with overcast. Relative humidity is 62% and wind is 9.7 km/h.
What is today's high and low temperature in Saint-Quentin-en-Yvelines?
Today's forecast high in Saint-Quentin-en-Yvelines is 24.7°C and the overnight low is 13.7°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Saint-Quentin-en-Yvelines today?
The chance of precipitation in Saint-Quentin-en-Yvelines today is 5%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Saint-Quentin-en-Yvelines differ from nearby cities?
Even short distances can change temperatures noticeably. Saint-Quentin-en-Yvelines's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.