October 21 is generally a great time to visit Prague. While there is a slight chance of rain (23%), showers are usually brief. Expect comfortable 14°C weather. Take advantage of the off-peak calm in Prague to see the sights without the usual crowds.
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Essential Travel Info for Prague
Currency
CZK
Kč Czech koruna
Language
Czech
+1 more
Driving
Right side
Connect
Prague has 5G from all Czech carriers (O...
Safety
Very High Safety
GPI: 1.318
Prague Weather Forecast for October 21
"Mild & Comfortable. Expect average highs of 13.8°C. 23% chance of rain."
What to Wear in Prague in October
Based on historical data for October 21, Prague typically experiences temperatures between 6°C and 13.8°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (23% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Prague
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
13.8°C
Daytime Peak
Average Low
6°C
Nighttime Low
Feels Like
13.4°C
🌤️ Feels accurate
Rain Chance
23%
Avg 0.8mm if it rains
Cloud Cover
73%
Overcast
Pressure
1016.3 hPa
High volatility
Prague 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
🔴 80 min to burn
Type III-IV
🟡 120 min to burn
Type V-VI
🟢 200 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
10.6°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 Czech Republic
Flight Traffic
Quiet
29/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~98
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Prague
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:34
☀️ Noon
11:48
🌇 Sunset
17:01
⏱️ Daylight
10h 27m
Wind Speed
15 km/h
Gentle breeze
Sunshine
5.9 hrs
Direct Sun (Cloud-free)
Humidity
81%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Prague
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 Prague
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 acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Prague on October 21 averages 13.8°C with a 23% precipitation probability. Wedding/Outdoor Event Score: 85/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Prague Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
October 17
13.8°C • 14% rain
Score
93
October 18
13.8°C • 14% rain
Score
92
October 14
14.4°C • 17% rain
Score
91
💡 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 Prague Worth Visiting on October 21?
Planning a trip to Prague 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 13.8°C with a 23% historical precipitation risk.
✈️ Travel Logistics: Approximately 98 landing slots available daily during this period, indicating manageable crowd levels.
📊 Historical Extremes: The hottest October 21 recorded in the last 30 years saw temperatures hit 21.1°C in 2023, while the coldest dropped to 3.7°C in 2016.