October 15 is generally a great time to visit Washington DC. While there is a slight chance of rain (19%), showers are usually brief. Expect comfortable 20°C weather. As it's peak season for Washington DC, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Washington DC
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Connect
The D.C. government operates a network o...
Safety
Moderate Safety
GPI: 2.44
Washington DC Weather Forecast for October 15
"Mild & Comfortable. Expect average highs of 19.6°C. 19% chance of rain."
What to Wear in Washington DC in October
Based on historical data for October 15, Washington DC typically experiences temperatures between 10.4°C and 19.6°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (19% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Washington DC
Smart Suitcase
- Light Jacket
- Long Pants
Average High
19.6°C
Daytime Peak
Average Low
10.4°C
Nighttime Low
Feels Like
19.6°C
🌤️ Feels accurate
Rain Chance
19%
Avg 1.4mm if it rains
Cloud Cover
47%
Overcast
Pressure
1015.8 hPa
Medium volatility
Washington DC 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
🔴 50 min to burn
Type III-IV
🟡 75 min to burn
Type V-VI
🟢 125 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
14.2°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 United States
Flight Traffic
High
90/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~421
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Washington DC
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:18
☀️ Noon
11:55
🌇 Sunset
17:31
⏱️ Daylight
11h 13m
Wind Speed
16 km/h
Gentle breeze
Sunshine
7.6 hrs
Direct Sun (Cloud-free)
Humidity
71%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Washington DC
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 Washington DC
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 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, Washington DC on October 15 averages 19.6°C with a 19% precipitation probability. Wedding/Outdoor Event Score: 98/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Washington DC 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
21.8°C • 16% rain
Score
100
October 10
20.8°C • 15% rain
Score
100
October 11
20.6°C • 16% rain
Score
100
💡 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 Washington DC Worth Visiting on October 15?
Planning a trip to Washington DC 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 19.6°C with a 19% historical precipitation risk.
✈️ Travel Logistics: Approximately 421 landing slots available daily during this period, indicating peak tourist activity.
📊 Historical Extremes: The hottest October 15 recorded in the last 30 years saw temperatures hit 27.4°C in 2021, while the coldest dropped to 6.9°C in 2024.