Live Weather & Forecast
Weather in Montesson
Yvelines, France · Real-time conditions & 3-day outlook
17°C
Feels like 17°C
63°F / Feels 63°F
Partly cloudy
Montesson, Yvelines
🌞 Daytime
Updated: 2026-04-16 14:30
Humidity
48%
Wind
10.8 km/h WSW
Wind Gust
12.4 km/h
Pressure
1023 mb
Visibility
10 km
UV Index
5.1
(Moderate)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
4.8°C
Wind Degree
249°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
150.9 μg/m³
NO₂
4.2 μg/m³
O₃
76 μg/m³
SO₂
1.2 μg/m³
PM 2.5
7.1 μg/m³
PM 10
13.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Montesson, Yvelines
12 AM
12°
Cloudy
1 AM
11°
Partly Cloudy
2 AM
11°
Partly Cloudy
3 AM
10°
Partly Cloudy
4 AM
9°
Partly Cloudy
5 AM
9°
Partly Cloudy
6 AM
8°
Clear
7 AM
8°
Partly Cloudy
8 AM
9°
Partly Cloudy
9 AM
10°
Sunny
10 AM
12°
Sunny
11 AM
14°
Sunny
12 PM
15°
Sunny
1 PM
17°
Partly Cloudy
2 PM
17°
Partly cloudy
3 PM
18°
Partly Cloudy
4 PM
19°
Cloudy
5 PM
18°
Cloudy
6 PM
18°
Cloudy
7 PM
17°
Partly Cloudy
8 PM
16°
Partly Cloudy
9 PM
15°
Partly Cloudy
10 PM
14°
Partly Cloudy
11 PM
13°
Partly Cloudy
3-Day Forecast
Daily overview for Montesson, Yvelines
Today
Partly Cloudy
19°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:59 AM
🌇 Sunset: 08:45 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
20°
/
10°
🌧️ 0% chance of rain
💧 Avg. humidity: 60%
💨 Max wind: 9.7 km/h
🌧️ Total precip: 0.06 mm
☀️ UV Index: 1
🌅 Sunrise: 06:57 AM
🌇 Sunset: 08:46 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Patchy rain nearby
17°
/
10°
🌧️ 75% chance of rain
💧 Avg. humidity: 68%
💨 Max wind: 18.7 km/h
🌧️ Total precip: 0.53 mm
☀️ UV Index: 1
🌅 Sunrise: 06:55 AM
🌇 Sunset: 08:48 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Montesson
Plan your trip to Montesson, 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 Montesson?
Current conditions in Montesson: Partly cloudy, temperature 17°C, humidity 48%.
What is the best time to visit Montesson?
The best time to visit Montesson is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Montesson?
Montesson is located at approximately 48.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Montesson?
The wettest period in Montesson is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Montesson?
For visits to Montesson during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Montesson in 2026?
View the 2026 public holidays for Montesson on our Holidays page.
What are the GPS coordinates used for the weather forecast in Montesson?
The weather forecast for Montesson uses coordinates 48.9076, 2.1493.