Live Weather & Forecast
Weather in Cergy
Île-de-France, France · Real-time conditions & 3-day outlook
16°C
Feels like 16°C
61°F / Feels 61°F
Moderate rain
Cergy, Île-de-France
🌞 Daytime
Updated: 2026-04-18 15:00
Humidity
72%
Wind
17.3 km/h NW
Wind Gust
19.9 km/h
Pressure
1021 mb
Visibility
10 km
UV Index
1.9
(Low)
Precipitation
0.01 mm
Cloud Cover
75%
Dew Point
10.2°C
Wind Degree
319°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
169.9 μg/m³
NO₂
5 μg/m³
O₃
79 μg/m³
SO₂
1.2 μg/m³
PM 2.5
11.9 μg/m³
PM 10
15.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for Cergy, Île-de-France
12 AM
14°
Patchy rain nearby
1 AM
14°
Partly Cloudy
2 AM
13°
Partly Cloudy
3 AM
13°
Cloudy
4 AM
13°
Overcast
5 AM
12°
Overcast
6 AM
13°
Cloudy
7 AM
13°
Patchy rain nearby
8 AM
13°
Cloudy
9 AM
14°
Cloudy
10 AM
15°
Overcast
11 AM
16°
Patchy rain nearby
12 PM
17°
Patchy rain nearby
1 PM
17°
Patchy rain nearby
2 PM
17°
Patchy rain nearby
3 PM
16°
Moderate rain
4 PM
17°
Overcast
5 PM
17°
Overcast
6 PM
16°
Cloudy
7 PM
15°
Partly Cloudy
8 PM
14°
Overcast
9 PM
12°
Cloudy
10 PM
10°
Clear
11 PM
9°
Clear
3-Day Forecast
Daily overview for Cergy, Île-de-France
Today
Patchy rain nearby
17°
/
9°
🌧️ 89% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 17.6 km/h
🌧️ Total precip: 0.17 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:55 AM
🌇 Sunset: 08:48 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Sun, Apr 19
Sunny
16°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 18 km/h
🌧️ Total precip: 0.02 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:53 AM
🌇 Sunset: 08:50 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Mon, Apr 20
Sunny
16°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 22.7 km/h
🌧️ Total precip: 0.02 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:51 AM
🌇 Sunset: 08:51 PM
🌙 Waxing Crescent
🌑 Moon: 9% lit
Best Time to Visit Cergy
Plan your trip to Cergy, 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 Cergy?
Current conditions in Cergy: Moderate rain, temperature 16°C, humidity 72%.
What is the best time to visit Cergy?
The best time to visit Cergy is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Cergy?
Cergy is located at approximately 49.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Cergy?
The wettest period in Cergy is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Cergy?
For visits to Cergy during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Cergy in?
Cergy is located in France, in the state of Île-de-France.
What are the public holidays in Cergy in 2026?
View the 2026 public holidays for Cergy on our Holidays page.
What are the GPS coordinates used for the weather forecast in Cergy?
The weather forecast for Cergy uses coordinates 49.0528, 2.0389.