Live Weather & Forecast
Weather in Saint-Germain-en-Laye
Yvelines, France · Real-time conditions & 3-day outlook
21°C
Feels like 21°C
70°F / Feels 70°F
Cloudy
Saint-Germain-en-Laye, Yvelines
🌞 Daytime
Updated: 2026-04-18 13:15
Humidity
46%
Wind
11.5 km/h NW
Wind Gust
13.2 km/h
Pressure
1021 mb
Visibility
10 km
UV Index
1.9
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
10.4°C
Wind Degree
305°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
197.9 μg/m³
NO₂
7.9 μg/m³
O₃
75 μg/m³
SO₂
1.6 μg/m³
PM 2.5
11.2 μg/m³
PM 10
15 μg/m³
Today's Hourly Forecast
24-hour breakdown for Saint-Germain-en-Laye, Yvelines
12 AM
15°
Patchy rain nearby
1 AM
14°
Patchy rain nearby
2 AM
14°
Partly Cloudy
3 AM
13°
Cloudy
4 AM
13°
Overcast
5 AM
13°
Overcast
6 AM
14°
Cloudy
7 AM
14°
Patchy rain nearby
8 AM
14°
Cloudy
9 AM
14°
Overcast
10 AM
15°
Overcast
11 AM
16°
Patchy rain nearby
12 PM
16°
Patchy rain nearby
1 PM
21°
Cloudy
2 PM
17°
Patchy rain nearby
3 PM
17°
Patchy rain nearby
4 PM
17°
Cloudy
5 PM
17°
Cloudy
6 PM
16°
Cloudy
7 PM
15°
Cloudy
8 PM
14°
Partly Cloudy
9 PM
13°
Cloudy
10 PM
12°
Clear
11 PM
10°
Clear
3-Day Forecast
Daily overview for Saint-Germain-en-Laye, Yvelines
Today
Patchy rain nearby
17°
/
10°
🌧️ 83% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 17.6 km/h
🌧️ Total precip: 0.12 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:55 AM
🌇 Sunset: 08:48 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Sun, Apr 19
Sunny
17°
/
7°
🌧️ 0% chance of rain
💧 Avg. humidity: 62%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:53 AM
🌇 Sunset: 08:49 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Mon, Apr 20
Sunny
17°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 61%
💨 Max wind: 20.9 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:51 AM
🌇 Sunset: 08:51 PM
🌙 Waxing Crescent
🌑 Moon: 9% lit
Best Time to Visit Saint-Germain-en-Laye
Plan your trip to Saint-Germain-en-Laye, 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 Saint-Germain-en-Laye?
Current conditions in Saint-Germain-en-Laye: Cloudy, temperature 21°C, humidity 46%.
What is the best time to visit Saint-Germain-en-Laye?
The best time to visit Saint-Germain-en-Laye is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Saint-Germain-en-Laye?
Saint-Germain-en-Laye is located at approximately 48.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Saint-Germain-en-Laye?
The wettest period in Saint-Germain-en-Laye is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Saint-Germain-en-Laye?
For visits to Saint-Germain-en-Laye during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Saint-Germain-en-Laye in?
What are the public holidays in Saint-Germain-en-Laye in 2026?
View the 2026 public holidays for Saint-Germain-en-Laye on our Holidays page.
What are the GPS coordinates used for the weather forecast in Saint-Germain-en-Laye?
The weather forecast for Saint-Germain-en-Laye uses coordinates 48.9356, 2.0918.