August 21 is generally a great time to visit Nashville. While there is a slight chance of rain (25%), showers are usually brief. Expect comfortable 31°C weather. Nashville is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Nashville
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Connect
Most telephone numbers in Nashville cons...
Safety
Moderate Safety
GPI: 2.44
Nashville Weather Forecast for August 21
"Warm & Sunny. Expect average highs of 30.8°C. 25% chance of rain."
What to Wear in Nashville in August
Based on historical data for August 21, Nashville typically experiences temperatures between 21.1°C and 30.8°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (25% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Nashville
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
30.8°C
Daytime Peak
Average Low
21.1°C
Nighttime Low
Feels Like
37.7°C
🔥 Heat index effect
Rain Chance
25%
Avg 1.8mm if it rains
Cloud Cover
48%
Overcast
Pressure
1016 hPa
Low volatility
Nashville 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 - 18:00
Type I-II
🔴 16 min to burn
Type III-IV
🟡 24 min to burn
Type V-VI
🟢 40 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
25.2°C
Humid/Sticky
Heat Index
37.7°C
Feels hotter
😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
Busy
78/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~381
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Nashville
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:11
☀️ Noon
11:51
🌇 Sunset
18:32
⏱️ Daylight
13h 20m
Wind Speed
10.6 km/h
Light breeze
Sunshine
10.8 hrs
Direct Sun (Cloud-free)
Humidity
72%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Nashville
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 Nashville
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
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, Nashville on August 21 averages 30.8°C with a 25% precipitation probability. Wedding/Outdoor Event Score: 91/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Nashville Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
August 22
30.8°C • 25% rain
Score
92
August 23
30.9°C • 21% rain
Score
92
August 24
30.9°C • 21% rain
Score
92
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Nashville Worth Visiting on August 21?
Planning a trip to Nashville on August 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 30.8°C with a 25% historical precipitation risk.
✈️ Travel Logistics: Approximately 381 landing slots available daily during this period, indicating peak tourist activity.
📊 Historical Extremes: The hottest August 21 recorded in the last 30 years saw temperatures hit 34.8°C in 2019, while the coldest dropped to 14.7°C in 2024.