Live Weather & Forecast
Weather in Rapperswil
Sankt Gallen, Switzerland · Real-time conditions & 3-day outlook
9°C
Feels like 9°C
49°F / Feels 49°F
Partly Cloudy
Rapperswil, Sankt Gallen
🌞 Daytime
Updated: 2026-04-16 09:15
Humidity
80%
Wind
3.6 km/h N
Wind Gust
10.8 km/h
Pressure
1024 mb
Visibility
10 km
UV Index
0.7
(Low)
Precipitation
0 mm
Cloud Cover
44%
Dew Point
6.2°C
Wind Degree
357°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
180.9 μg/m³
NO₂
5.4 μg/m³
O₃
64 μg/m³
SO₂
1 μg/m³
PM 2.5
15.8 μg/m³
PM 10
19.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Rapperswil, Sankt Gallen
12 AM
6°
Mist
1 AM
6°
Mist
2 AM
6°
Mist
3 AM
6°
Mist
4 AM
6°
Mist
5 AM
6°
Mist
6 AM
5°
Mist
7 AM
5°
Mist
8 AM
7°
Partly Cloudy
9 AM
9°
Partly Cloudy
10 AM
12°
Partly Cloudy
11 AM
13°
Patchy rain nearby
12 PM
14°
Patchy rain nearby
1 PM
14°
Patchy rain nearby
2 PM
14°
Partly Cloudy
3 PM
15°
Partly Cloudy
4 PM
15°
Partly Cloudy
5 PM
16°
Sunny
6 PM
15°
Sunny
7 PM
14°
Sunny
8 PM
11°
Sunny
9 PM
9°
Clear
10 PM
8°
Clear
11 PM
8°
Clear
3-Day Forecast
Daily overview for Rapperswil, Sankt Gallen
Today
Partly Cloudy
16°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 6.5 km/h
🌧️ Total precip: 0.07 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:34 AM
🌇 Sunset: 08:15 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Sunny
16°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 6.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:32 AM
🌇 Sunset: 08:16 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Sunny
19°
/
7°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:30 AM
🌇 Sunset: 08:17 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Rapperswil
Plan your trip to Rapperswil, 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 Rapperswil?
Current conditions in Rapperswil: Partly Cloudy, temperature 9°C, humidity 80%.
What is the best time to visit Rapperswil?
The best time to visit Rapperswil is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Rapperswil?
Rapperswil is located at approximately 47.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Rapperswil?
The wettest period in Rapperswil is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Rapperswil?
For visits to Rapperswil during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Rapperswil in?
Rapperswil is located in Switzerland, in the state of Sankt Gallen.
What are the public holidays in Rapperswil in 2026?
View the 2026 public holidays for Rapperswil on our Holidays page.
What are the GPS coordinates used for the weather forecast in Rapperswil?
The weather forecast for Rapperswil uses coordinates 47.2267, 8.8164.