Live Weather & Forecast
Weather in Rapperswil
Sankt Gallen, Switzerland · Real-time conditions & 3-day outlook
9°C
Feels like 9°C
47°F / Feels 47°F
Cloudy
Rapperswil, Sankt Gallen
🌙 Nighttime
Updated: 2026-04-15 23:00
Humidity
89%
Wind
3.6 km/h SSW
Wind Gust
5.8 km/h
Pressure
1022 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
67%
Dew Point
6.9°C
Wind Degree
199°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
188.9 μg/m³
NO₂
5.5 μg/m³
O₃
76 μg/m³
SO₂
1 μg/m³
PM 2.5
13.4 μg/m³
PM 10
21.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for Rapperswil, Sankt Gallen
12 AM
5°
Fog
1 AM
5°
Fog
2 AM
5°
Fog
3 AM
5°
Fog
4 AM
5°
Fog
5 AM
4°
Fog
6 AM
4°
Fog
7 AM
4°
Fog
8 AM
5°
Mist
9 AM
6°
Cloudy
10 AM
7°
Cloudy
11 AM
9°
Patchy rain nearby
12 PM
10°
Patchy rain nearby
1 PM
11°
Patchy rain nearby
2 PM
13°
Overcast
3 PM
14°
Cloudy
4 PM
14°
Partly Cloudy
5 PM
14°
Partly Cloudy
6 PM
13°
Partly Cloudy
7 PM
12°
Partly Cloudy
8 PM
11°
Partly Cloudy
9 PM
10°
Cloudy
10 PM
9°
Partly Cloudy
11 PM
9°
Cloudy
3-Day Forecast
Daily overview for Rapperswil, Sankt Gallen
Today
Fog
14°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 5.4 km/h
🌧️ Total precip: 0.03 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:36 AM
🌇 Sunset: 08:13 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Partly Cloudy
17°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 8.3 km/h
🌧️ Total precip: 0.08 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:34 AM
🌇 Sunset: 08:15 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Sunny
17°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 6.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:32 AM
🌇 Sunset: 08:16 PM
🌙 New Moon
🌑 Moon: 0% 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: Cloudy, temperature 9°C, humidity 89%.
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.