Live Weather & Forecast
Weather in Rosny-sous-Bois
Seine-Saint-Denis, France · Real-time conditions & 3-day outlook
18°C
Feels like 18°C
65°F / Feels 65°F
Partly cloudy
Rosny-sous-Bois, Seine-Saint-Denis
🌞 Daytime
Updated: 2026-04-16 15:00
Humidity
45%
Wind
9.7 km/h WSW
Wind Gust
11.2 km/h
Pressure
1023 mb
Visibility
10 km
UV Index
4.6
(Moderate)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
3.6°C
Wind Degree
245°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
194.9 μg/m³
NO₂
10.8 μg/m³
O₃
80 μg/m³
SO₂
2.2 μg/m³
PM 2.5
7.8 μg/m³
PM 10
13.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Rosny-sous-Bois, Seine-Saint-Denis
12 AM
13°
Cloudy
1 AM
12°
Cloudy
2 AM
12°
Partly Cloudy
3 AM
11°
Partly Cloudy
4 AM
10°
Partly Cloudy
5 AM
10°
Partly Cloudy
6 AM
10°
Clear
7 AM
9°
Sunny
8 AM
10°
Partly Cloudy
9 AM
11°
Sunny
10 AM
12°
Sunny
11 AM
14°
Sunny
12 PM
15°
Sunny
1 PM
17°
Sunny
2 PM
18°
Sunny
3 PM
18°
Partly cloudy
4 PM
19°
Partly Cloudy
5 PM
19°
Partly Cloudy
6 PM
19°
Partly Cloudy
7 PM
18°
Partly Cloudy
8 PM
17°
Cloudy
9 PM
16°
Partly Cloudy
10 PM
15°
Partly Cloudy
11 PM
14°
Partly Cloudy
3-Day Forecast
Daily overview for Rosny-sous-Bois, Seine-Saint-Denis
Today
Partly Cloudy
19°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 64%
💨 Max wind: 10.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:58 AM
🌇 Sunset: 08:43 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
21°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 56%
💨 Max wind: 8.6 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:56 AM
🌇 Sunset: 08:45 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Patchy rain nearby
17°
/
11°
🌧️ 84% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 17.6 km/h
🌧️ Total precip: 1.15 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:54 AM
🌇 Sunset: 08:46 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Rosny-sous-Bois
Plan your trip to Rosny-sous-Bois, 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 Rosny-sous-Bois?
Current conditions in Rosny-sous-Bois: Partly cloudy, temperature 18°C, humidity 45%.
What is the best time to visit Rosny-sous-Bois?
The best time to visit Rosny-sous-Bois is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Rosny-sous-Bois?
Rosny-sous-Bois is located at approximately 48.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Rosny-sous-Bois?
The wettest period in Rosny-sous-Bois is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Rosny-sous-Bois?
For visits to Rosny-sous-Bois during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Rosny-sous-Bois in?
Rosny-sous-Bois is located in France, in the state of Seine-Saint-Denis.
What are the public holidays in Rosny-sous-Bois in 2026?
View the 2026 public holidays for Rosny-sous-Bois on our Holidays page.
What are the GPS coordinates used for the weather forecast in Rosny-sous-Bois?
The weather forecast for Rosny-sous-Bois uses coordinates 48.8717, 2.4875.