Live Weather & Forecast
Weather in Herisau
Appenzell-Ausser Rhoden, Switzerland · Real-time conditions & 3-day outlook
6°C
Feels like 6°C
43°F / Feels 43°F
Partly Cloudy
Herisau, Appenzell-Ausser Rhoden
🌙 Nighttime
Updated: 2026-04-16 06:00
Humidity
90%
Wind
3.6 km/h SSW
Wind Gust
6.8 km/h
Pressure
1024 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
45%
Dew Point
4.4°C
Wind Degree
211°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
184.9 μg/m³
NO₂
4.3 μg/m³
O₃
60 μg/m³
SO₂
1 μg/m³
PM 2.5
14.6 μg/m³
PM 10
19.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Herisau, Appenzell-Ausser Rhoden
12 AM
7°
Cloudy
1 AM
7°
Partly Cloudy
2 AM
7°
Clear
3 AM
7°
Partly Cloudy
4 AM
7°
Partly Cloudy
5 AM
6°
Partly Cloudy
6 AM
6°
Partly Cloudy
7 AM
6°
Partly Cloudy
8 AM
8°
Partly Cloudy
9 AM
10°
Partly Cloudy
10 AM
11°
Patchy rain nearby
11 AM
12°
Patchy rain nearby
12 PM
13°
Patchy rain nearby
1 PM
13°
Sunny
2 PM
14°
Partly Cloudy
3 PM
14°
Patchy rain nearby
4 PM
15°
Patchy rain nearby
5 PM
15°
Sunny
6 PM
14°
Sunny
7 PM
13°
Sunny
8 PM
10°
Sunny
9 PM
9°
Clear
10 PM
8°
Clear
11 PM
8°
Clear
3-Day Forecast
Daily overview for Herisau, Appenzell-Ausser Rhoden
Today
Partly Cloudy
15°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 5.8 km/h
🌧️ Total precip: 0.07 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:32 AM
🌇 Sunset: 08:13 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Sunny
15°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 5.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:30 AM
🌇 Sunset: 08:14 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Sunny
17°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 6.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:28 AM
🌇 Sunset: 08:16 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Herisau
Plan your trip to Herisau, 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 Herisau?
Current conditions in Herisau: Partly Cloudy, temperature 6°C, humidity 90%.
What is the best time to visit Herisau?
The best time to visit Herisau is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Herisau?
Herisau is located at approximately 47.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Herisau?
The wettest period in Herisau is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Herisau?
For visits to Herisau during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Herisau in?
Herisau is located in Switzerland, in the state of Appenzell-Ausser Rhoden.
What are the public holidays in Herisau in 2026?
View the 2026 public holidays for Herisau on our Holidays page.
What are the GPS coordinates used for the weather forecast in Herisau?
The weather forecast for Herisau uses coordinates 47.3856, 9.2788.