October 21 is generally a great time to visit Interlaken. While there is a slight chance of rain (30%), showers are usually brief. Expect comfortable 15°C weather. Lower tourist interest in Interlaken right now translates to better deals and a more local feel.
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Essential Travel Info for Interlaken
Currency
CHF
Fr. Swiss franc
Language
French
+3 more
Driving
Right side
Connect
As of March 2022 formobile devices, Inte...
Safety
Very High Safety
GPI: 1.357
Interlaken Weather Forecast for October 21
"Mild & Comfortable. Expect average highs of 15.4°C. 30% chance of rain."
What to Wear in Interlaken in October
Based on historical data for October 21, Interlaken typically experiences temperatures between 7.1°C and 15.4°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 30% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Interlaken
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
15.4°C
Daytime Peak
Average Low
7.1°C
Nighttime Low
Feels Like
15.4°C
🌤️ Feels accurate
Rain Chance
30%
Avg 1.7mm if it rains
Cloud Cover
73%
Overcast
Pressure
1016.2 hPa
High volatility
Interlaken Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 81% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 73 min to burn
Type III-IV
🟡 110 min to burn
Type V-VI
🟢 183 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
12.5°C
Pleasant
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Switzerland
Flight Traffic
Quiet
33/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~178
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Interlaken
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:55
☀️ Noon
12:14
🌇 Sunset
17:33
⏱️ Daylight
10h 38m
Wind Speed
7.9 km/h
Light breeze
Sunshine
6.8 hrs
Direct Sun (Cloud-free)
Humidity
83%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Interlaken
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Interlaken
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Weather unlikely to affect joint pain.
Fish are active due to pressure changes.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Interlaken on October 21 averages 15.4°C with a 30% precipitation probability. Wedding/Outdoor Event Score: 79/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Interlaken Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
October 14
15.9°C • 27% rain
Score
83
October 15
15.8°C • 25% rain
Score
83
October 16
15.8°C • 24% rain
Score
83
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (October 21) in other destinations
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📍 Is Interlaken Worth Visiting on October 21?
Planning a trip to Interlaken on October 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 15.4°C with a 30% historical precipitation risk.
✈️ Travel Logistics: Approximately 178 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 7 vaccinations are recommended for Switzerland, including COVID-19.
📊 Historical Extremes: The hottest October 21 recorded in the last 30 years saw temperatures hit 20.2°C in 2020, while the coldest dropped to 5.3°C in 2016.