October 15 sees frequent showers in Porto. Historical data shows a 43% chance of rain, so pack accordingly. Temperatures average 20°C. Porto is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Porto
Currency
EUR
€ Euro
Language
Portuguese
Driving
Right side
Connect
Porto has 4G from all Portuguese carrier...
Safety
Very High Safety
GPI: 1.301
Porto Weather Forecast for October 15
"Mild & Comfortable. Expect average highs of 20.1°C. 43% chance of rain."
What to Wear in Porto in October
Based on historical data for October 15, Porto typically experiences temperatures between 13.7°C and 20.1°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 43% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Porto
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
20.1°C
Daytime Peak
Average Low
13.7°C
Nighttime Low
Feels Like
20.1°C
☀️ Feels accurate
Rain Chance
43%
Avg 4.9mm if it rains
Cloud Cover
62%
Overcast
Pressure
1015.2 hPa
Medium volatility
Porto Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 75% 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
🔴 62 min to burn
Type III-IV
🟡 93 min to burn
Type V-VI
🟢 155 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
16.7°C
Noticeable
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Portugal
Flight Traffic
High
86/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~210
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Porto
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:46
☀️ Noon
12:21
🌇 Sunset
17:56
⏱️ Daylight
11h 9m
Wind Speed
18 km/h
Gentle breeze
Sunshine
7.4 hrs
Direct Sun (Cloud-free)
Humidity
81%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Porto
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Porto
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Porto on October 15 averages 20.1°C with a 43% precipitation probability. Wedding/Outdoor Event Score: 87/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Porto Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
October 8
22.1°C • 23% rain
Score
97
October 9
22.1°C • 25% rain
Score
96
October 10
22°C • 28% rain
Score
95
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (October 15) in other destinations
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🌍 Explore the same date in different destinations around the world
📍 Is Porto Worth Visiting on October 15?
Planning a trip to Porto on October 15? 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 20.1°C with a 43% historical precipitation risk.
✈️ Travel Logistics: Approximately 210 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Portugal, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 18.5°C (refreshing tonic). Wave conditions are generally surfers only with heights around 1.75m.
📊 Historical Extremes: The hottest October 15 recorded in the last 30 years saw temperatures hit 31.4°C in 2017, while the coldest dropped to 8.5°C in 2020.