Live Weather & Forecast
Weather in Poissy
Île-de-France, France · Real-time conditions & 3-day outlook
18°C
Feels like 18°C
65°F / Feels 65°F
Patchy rain nearby
Poissy, Île-de-France
🌞 Daytime
Updated: 2026-04-18 11:15
Humidity
52%
Wind
7.9 km/h WNW
Wind Gust
9.2 km/h
Pressure
1021 mb
Visibility
10 km
UV Index
1.4
(Low)
Precipitation
0.01 mm
Cloud Cover
0%
Dew Point
10.3°C
Wind Degree
295°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
246.9 μg/m³
NO₂
16 μg/m³
O₃
48 μg/m³
SO₂
1.7 μg/m³
PM 2.5
14.6 μg/m³
PM 10
19.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Poissy, Île-de-France
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
18°
Patchy rain nearby
12 PM
16°
Patchy rain nearby
1 PM
17°
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 Poissy, Île-de-France
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 Poissy
Plan your trip to Poissy, 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 Poissy?
Current conditions in Poissy: Patchy rain nearby, temperature 18°C, humidity 52%.
What is the best time to visit Poissy?
The best time to visit Poissy is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Poissy?
Poissy is located at approximately 48.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Poissy?
The wettest period in Poissy is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Poissy?
For visits to Poissy during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Poissy in?
Poissy is located in France, in the state of Île-de-France.
What are the public holidays in Poissy in 2026?
View the 2026 public holidays for Poissy on our Holidays page.
What are the GPS coordinates used for the weather forecast in Poissy?
The weather forecast for Poissy uses coordinates 48.9274, 2.0426.