October 30 is generally a great time to visit Istanbul. While there is a slight chance of rain (22%), showers are usually brief. Expect comfortable 17°C weather. Istanbul is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Istanbul
Currency
TRY
₺ Turkish lira
Language
Turkish
Driving
Right side
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Safety
Travel Precautions
GPI: 2.785
Istanbul Weather Forecast for October 30
"Mild & Comfortable. Expect average highs of 17°C. 22% chance of rain."
What to Wear in Istanbul in October
Based on historical data for October 30, Istanbul typically experiences temperatures between 11.4°C and 17°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (22% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Istanbul
Smart Suitcase
- Light Jacket
- Long Pants
Average High
17°C
Daytime Peak
Average Low
11.4°C
Nighttime Low
Feels Like
17°C
🌤️ Feels accurate
Rain Chance
22%
Avg 1.3mm if it rains
Cloud Cover
52%
Overcast
Pressure
1019.9 hPa
Medium volatility
Istanbul Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 93% 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
🔴 57 min to burn
Type III-IV
🟡 86 min to burn
Type V-VI
🟢 143 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
13.3°C
Pleasant
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 Turkey
Flight Traffic
High
91/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~1,160
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Istanbul
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:33
☀️ Noon
12:48
🌇 Sunset
18:04
⏱️ Daylight
10h 31m
Wind Speed
18.6 km/h
Gentle breeze
Sunshine
7.6 hrs
Direct Sun (Cloud-free)
Humidity
79%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Istanbul
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Istanbul
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
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 acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Moderate seismic activity. Occasional tremors possible.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Istanbul on October 30 averages 17°C with a 22% precipitation probability. Wedding/Outdoor Event Score: 90/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Istanbul Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
October 23
18.9°C • 18% rain
Score
95
October 27
17.7°C • 17% rain
Score
95
October 24
18.7°C • 21% rain
Score
94
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (October 30) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Istanbul Worth Visiting on October 30?
Planning a trip to Istanbul on October 30? 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 17°C with a 22% historical precipitation risk.
✈️ Travel Logistics: Approximately 1,160 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 7 vaccinations are recommended for Turkey, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 18.5°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.22m.
📊 Historical Extremes: The hottest October 30 recorded in the last 30 years saw temperatures hit 24.3°C in 2023, while the coldest dropped to 7.7°C in 2025.