October 21 is generally a great time to visit Warsaw. While there is a slight chance of rain (22%), showers are usually brief. Expect comfortable 12°C weather. Expect a bustling atmosphere in Warsaw right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Warsaw
Currency
PLN
zł Polish złoty
Language
Polish
Driving
Right side
Connect
Free wi-fi is widespread in Warsaw. Muni...
Safety
High Safety
GPI: 1.552
Warsaw Weather Forecast for October 21
"Mild & Comfortable. Expect average highs of 12°C. 22% chance of rain."
What to Wear in Warsaw in October
Based on historical data for October 21, Warsaw typically experiences temperatures between 5.6°C and 12°C. We recommend packing heavy coat, scarf, gloves 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 Warsaw
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
12°C
Daytime Peak
Average Low
5.6°C
Nighttime Low
Feels Like
11°C
🌤️ Minor difference
Rain Chance
22%
Avg 1mm if it rains
Cloud Cover
74%
Overcast
Pressure
1016.2 hPa
High volatility
Warsaw Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 77% 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
🔴 89 min to burn
Type III-IV
🟡 134 min to burn
Type V-VI
🟢 223 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
9°C
Dry air
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Poland
Flight Traffic
High
95/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~279
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Warsaw
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:12
☀️ Noon
11:21
🌇 Sunset
16:31
⏱️ Daylight
10h 19m
Wind Speed
16.4 km/h
Gentle breeze
Sunshine
4.9 hrs
Direct Sun (Cloud-free)
Humidity
82%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Warsaw
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Warsaw
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
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
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Warsaw on October 21 averages 12°C with a 22% precipitation probability. Wedding/Outdoor Event Score: 76/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Warsaw 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
12.9°C • 14% rain
Score
89
October 16
12.5°C • 15% rain
Score
87
October 15
12.8°C • 17% 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
🌍 Explore the same date in different destinations around the world
📍 Is Warsaw Worth Visiting on October 21?
Planning a trip to Warsaw on October 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 12°C with a 22% historical precipitation risk.
✈️ Travel Logistics: Approximately 279 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 8 vaccinations are recommended for Poland, including COVID-19.
📊 Historical Extremes: The hottest October 21 recorded in the last 30 years saw temperatures hit 21.2°C in 2019, while the coldest dropped to 0.7°C in 2025.