August 14 is generally a great time to visit Washington DC. While there is a slight chance of rain (35%), showers are usually brief. Expect comfortable 30°C weather. As it's peak season for Washington DC, we recommend booking your stay well in advance to secure the best rates.
View the full calendar
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 August 14
"Warm & Sunny. Expect average highs of 29.8°C. 35% chance of rain."
What to Wear in Washington DC in August
Based on historical data for August 14, Washington DC typically experiences temperatures between 20.7°C and 29.8°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 35% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Washington DC
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
29.8°C
Daytime Peak
Average Low
20.7°C
Nighttime Low
Feels Like
35°C
🔥 Heat index effect
Rain Chance
35%
Avg 2.8mm if it rains
Cloud Cover
54%
Overcast
Pressure
1015.6 hPa
Low volatility
Washington DC Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 19:00
Type I-II
🔴 18 min to burn
Type III-IV
🟡 27 min to burn
Type V-VI
🟢 45 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
24.2°C
Humid/Sticky
Heat Index
35°C
Feels hotter
😐 Best outdoor time:
Morning hours (before 11 AM)
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
High
97/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~457
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Washington DC
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:22
☀️ Noon
12:14
🌇 Sunset
19:06
⏱️ Daylight
13h 44m
Wind Speed
11.7 km/h
Light breeze
Sunshine
10.5 hrs
Direct Sun (Cloud-free)
Humidity
72%
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
⛅ Good
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
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 August 14 averages 29.8°C with a 35% precipitation probability. Wedding/Outdoor Event Score: 89/100."
— 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
August 21
28.6°C • 26% rain
Score
95
August 7
30°C • 28% rain
Score
92
August 10
30.4°C • 27% rain
Score
92
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 14) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Washington DC Worth Visiting on August 14?
Planning a trip to Washington DC on August 14? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29.8°C with a 35% historical precipitation risk.
✈️ Travel Logistics: Approximately 457 landing slots available daily during this period, indicating peak tourist activity.
📊 Historical Extremes: The hottest August 14 recorded in the last 30 years saw temperatures hit 36.5°C in 2016, while the coldest dropped to 17.4°C in 2024.