Live Weather & Forecast
Weather in Saint-Gratien
Val-d'Oise, France · Real-time conditions & 3-day outlook
11°C
Feels like 11°C
52°F / Feels 51°F
Cloudy
Saint-Gratien, Val-d'Oise
🌙 Nighttime
Updated: 2026-04-17 00:00
Humidity
82%
Wind
7.6 km/h SSE
Wind Gust
15.9 km/h
Pressure
1022 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
6.3°C
Wind Degree
146°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
167.9 μg/m³
NO₂
10.8 μg/m³
O₃
58 μg/m³
SO₂
1.3 μg/m³
PM 2.5
10.5 μg/m³
PM 10
16.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Saint-Gratien, Val-d'Oise
12 AM
10°
Partly Cloudy
1 AM
11°
Cloudy
2 AM
9°
Overcast
3 AM
10°
Overcast
4 AM
9°
Cloudy
5 AM
9°
Partly Cloudy
6 AM
8°
Partly Cloudy
7 AM
8°
Cloudy
8 AM
9°
Partly Cloudy
9 AM
12°
Partly Cloudy
10 AM
13°
Partly Cloudy
11 AM
14°
Partly Cloudy
12 PM
15°
Partly Cloudy
1 PM
16°
Sunny
2 PM
17°
Partly Cloudy
3 PM
17°
Patchy rain nearby
4 PM
18°
Patchy light drizzle
5 PM
18°
Patchy rain nearby
6 PM
18°
Patchy light drizzle
7 PM
17°
Patchy rain nearby
8 PM
15°
Patchy rain nearby
9 PM
13°
Patchy rain nearby
10 PM
12°
Partly Cloudy
11 PM
12°
Partly Cloudy
3-Day Forecast
Daily overview for Saint-Gratien, Val-d'Oise
Today
Patchy rain nearby
18°
/
8°
🌧️ 85% chance of rain
💧 Avg. humidity: 75%
💨 Max wind: 10.8 km/h
🌧️ Total precip: 0.86 mm
☀️ UV Index: 1
🌅 Sunrise: 06:54 AM
🌇 Sunset: 08:47 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Patchy rain nearby
16°
/
6°
🌧️ 85% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 19.8 km/h
🌧️ Total precip: 0.21 mm
☀️ UV Index: 1
🌅 Sunrise: 06:52 AM
🌇 Sunset: 08:49 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Sun, Apr 19
Patchy rain nearby
15°
/
5°
🌧️ 88% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 20.2 km/h
🌧️ Total precip: 0.36 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:50 AM
🌇 Sunset: 08:51 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Best Time to Visit Saint-Gratien
Plan your trip to Saint-Gratien, 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-Gratien?
Current conditions in Saint-Gratien: Cloudy, temperature 11°C, humidity 82%.
What is the best time to visit Saint-Gratien?
The best time to visit Saint-Gratien is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Saint-Gratien?
Saint-Gratien is located at approximately 50° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Saint-Gratien?
The wettest period in Saint-Gratien is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Saint-Gratien?
For visits to Saint-Gratien during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Saint-Gratien in?
Saint-Gratien is located in France, in the state of Val-d'Oise.
What are the public holidays in Saint-Gratien in 2026?
View the 2026 public holidays for Saint-Gratien on our Holidays page.
What are the GPS coordinates used for the weather forecast in Saint-Gratien?
The weather forecast for Saint-Gratien uses coordinates 49.9657, 2.4081.