August 26 is generally a great time to visit Washington DC. While there is a slight chance of rain (23%), showers are usually brief. Expect comfortable 29°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 August 26
"Warm & Sunny. Expect average highs of 29.2°C. 23% chance of rain."
What to Wear in Washington DC in August
Based on historical data for August 26, Washington DC typically experiences temperatures between 19.5°C and 29.2°C. We recommend packing t-shirt, light clothing 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 Washington DC
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
29.2°C
Daytime Peak
Average Low
19.5°C
Nighttime Low
Feels Like
33.4°C
🔥 Feels warmer
Rain Chance
23%
Avg 1.2mm if it rains
Cloud Cover
54%
Overcast
Pressure
1017.3 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 91% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 18:00
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
23.4°C
Humid/Sticky
Heat Index
33.4°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
05:33
☀️ Noon
12:11
🌇 Sunset
18:49
⏱️ Daylight
13h 16m
Wind Speed
11.6 km/h
Light breeze
Sunshine
10.5 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
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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
🔴 Very Busy
Price Level
💰💰💰 Expensive
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 August 26 averages 29.2°C with a 23% precipitation probability. Wedding/Outdoor Event Score: 95/100."
— 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 24
28.9°C • 19% rain
Score
97
August 22
28.7°C • 24% rain
Score
96
August 23
28.8°C • 22% rain
Score
96
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 26) in other destinations
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📍 Is Washington DC Worth Visiting on August 26?
Planning a trip to Washington DC on August 26? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29.2°C with a 23% historical precipitation risk.
✈️ Travel Logistics: Approximately 457 landing slots available daily during this period, indicating peak tourist activity.
📊 Historical Extremes: The hottest August 26 recorded in the last 30 years saw temperatures hit 34.4°C in 2016, while the coldest dropped to 15.9°C in 2019.