Live Weather & Forecast
Weather in Saint-Louis
Haut-Rhin, France · Real-time conditions & 3-day outlook
40°C
Feels like 40°C
105°F / Feels 105°F
Partly Cloudy
Saint-Louis, Haut-Rhin
🌞 Daytime
Updated: 2026-04-16 17:15
Humidity
20%
Wind
4.7 km/h E
Wind Gust
5.7 km/h
Pressure
1006 mb
Visibility
10 km
UV Index
1.7
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
-4.9°C
Wind Degree
83°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (3)
CO
125.9 μg/m³
NO₂
1.1 μg/m³
O₃
101 μg/m³
SO₂
1.1 μg/m³
PM 2.5
25.3 μg/m³
PM 10
116.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Saint-Louis, Haut-Rhin
12 AM
23°
Clear
1 AM
23°
Clear
2 AM
23°
Clear
3 AM
23°
Clear
4 AM
22°
Clear
5 AM
22°
Clear
6 AM
22°
Clear
7 AM
22°
Sunny
8 AM
24°
Sunny
9 AM
29°
Sunny
10 AM
32°
Sunny
11 AM
35°
Sunny
12 PM
37°
Sunny
1 PM
38°
Sunny
2 PM
39°
Sunny
3 PM
39°
Sunny
4 PM
39°
Sunny
5 PM
40°
Partly Cloudy
6 PM
39°
Sunny
7 PM
34°
Sunny
8 PM
31°
Clear
9 PM
27°
Clear
10 PM
25°
Clear
11 PM
25°
Clear
3-Day Forecast
Daily overview for Saint-Louis, Haut-Rhin
Today
Sunny
39°
/
22°
🌧️ 0% chance of rain
💧 Avg. humidity: 20%
💨 Max wind: 23.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.2
🌅 Sunrise: 06:46 AM
🌇 Sunset: 07:17 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
40°
/
23°
🌧️ 0% chance of rain
💧 Avg. humidity: 18%
💨 Max wind: 19.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:45 AM
🌇 Sunset: 07:17 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Sunny
42°
/
23°
🌧️ 0% chance of rain
💧 Avg. humidity: 17%
💨 Max wind: 24.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.5
🌅 Sunrise: 06:45 AM
🌇 Sunset: 07:17 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Saint-Louis
Plan your trip to Saint-Louis, France around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Saint-Louis?
Current conditions in Saint-Louis: Partly Cloudy, temperature 40°C, humidity 20%.
What is the best time to visit Saint-Louis?
The best time to visit Saint-Louis is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Saint-Louis?
Saint-Louis is located at approximately 16.2° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Saint-Louis?
The wettest period in Saint-Louis is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Saint-Louis?
For visits to Saint-Louis during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in Saint-Louis in 2026?
View the 2026 public holidays for Saint-Louis on our Holidays page.
What are the GPS coordinates used for the weather forecast in Saint-Louis?
The weather forecast for Saint-Louis uses coordinates 16.1876, -15.2955.