Live Weather & Forecast
Weather in Arosa
Graubunden, Switzerland · Real-time conditions & 3-day outlook
-1°C
Feels like -2°C
31°F / Feels 29°F
Fog
Arosa, Graubunden
🌙 Nighttime
Updated: 2026-04-16 05:30
Humidity
93%
Wind
3.6 km/h N
Wind Gust
5.5 km/h
Pressure
1022 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0.01 mm
Cloud Cover
0%
Dew Point
1.8°C
Wind Degree
10°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
138.9 μg/m³
NO₂
1.8 μg/m³
O₃
65 μg/m³
SO₂
0.9 μg/m³
PM 2.5
10.3 μg/m³
PM 10
10.9 μg/m³
Today's Hourly Forecast
24-hour breakdown for Arosa, Graubunden
12 AM
1°
Clear
1 AM
1°
Partly Cloudy
2 AM
1°
Mist
3 AM
1°
Mist
4 AM
2°
Mist
5 AM
-1°
Fog
6 AM
2°
Fog
7 AM
3°
Patchy rain nearby
8 AM
3°
Patchy rain nearby
9 AM
3°
Light snow
10 AM
4°
Patchy rain nearby
11 AM
4°
Patchy rain nearby
12 PM
5°
Patchy rain nearby
1 PM
7°
Patchy rain nearby
2 PM
8°
Patchy rain nearby
3 PM
9°
Sunny
4 PM
9°
Sunny
5 PM
9°
Sunny
6 PM
9°
Sunny
7 PM
8°
Sunny
8 PM
4°
Sunny
9 PM
3°
Partly Cloudy
10 PM
2°
Partly Cloudy
11 PM
1°
Partly Cloudy
3-Day Forecast
Daily overview for Arosa, Graubunden
Today
Patchy rain nearby
9°
/
1°
🌧️ 86% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 8.3 km/h
🌧️ Total precip: 0.13 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:32 AM
🌇 Sunset: 08:11 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Sunny
12°
/
0°
🌧️ 0% chance of rain
💧 Avg. humidity: 75%
💨 Max wind: 10.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:30 AM
🌇 Sunset: 08:12 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Sunny
13°
/
0°
🌧️ 0% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 10.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:28 AM
🌇 Sunset: 08:13 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Arosa
Plan your trip to Arosa, Switzerland 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 Arosa?
Current conditions in Arosa: Fog, temperature -1°C, humidity 93%.
What is the best time to visit Arosa?
The best time to visit Arosa is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Arosa?
Arosa is located at approximately 46.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Arosa?
The wettest period in Arosa is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Arosa?
For visits to Arosa during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Arosa in?
Arosa is located in Switzerland, in the state of Graubunden.
What are the public holidays in Arosa in 2026?
View the 2026 public holidays for Arosa on our Holidays page.
What are the GPS coordinates used for the weather forecast in Arosa?
The weather forecast for Arosa uses coordinates 46.7797, 9.6781.