30YearWeather
Seattle, August 28
Seattle street view during August
Historical Weather Analysis

Seattle Weather on August 28 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

23.2°C

High

13.9°C

Low

17%

Rain

☀️ Feels like 23.7°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

August 28 is generally a great time to visit Seattle. While there is a slight chance of rain (17%), showers are usually brief. Expect comfortable 23°C weather. Expect a bustling atmosphere in Seattle right now—this is when the city truly comes alive with visitors.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

The area code for the City of Seattle is...

Safety

Moderate Safety

GPI: 2.44

Seattle Weather Forecast for August 28

"Mild & Comfortable. Expect average highs of 23.2°C. 17% chance of rain."

What to Wear in Seattle in August

Based on historical data for August 28, Seattle typically experiences temperatures between 13.9°C and 23.2°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (17% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Seattle

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

23.2°C

Daytime Peak

Average Low

extreme-cold

13.9°C

Nighttime Low

Feels Like

partly-cloudy-day

23.7°C

☀️ Feels accurate

Rain Chance

rain

17%

Avg 0.8mm if it rains

Cloud Cover

cloudy

49%

Overcast

Pressure

pressure

1016 hPa

Low volatility

Seattle Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

96%Highly Predictable

Based on 10 years of data

Temperature
±2.6°CModerate
Precipitation
0-26%Moderate

🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

4Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 19:00

Time to Sunburn

Type I-II

🔴 20 min to burn

Type III-IV

🟡 30 min to burn

Type V-VI

🟢 50 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

86Excellent
TemperatureWarm
HumidityMuggy
WindLight Breeze

Dew Point

17.9°C

Noticeable

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

96/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~713

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Seattle

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:24

☀️ Noon

12:12

🌇 Sunset

19:00

⏱️ Daylight

13h 36m

Golden Hour
Morning05:24 - 06:05
18:18 - 19:00Evening

Wind Speed

wind

12.7 km/h

Gentle breeze

Sunshine

clear-day

10.3 hrs

Direct Sun (Cloud-free)

Humidity

humidity

72%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Seattle

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 Seattle

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

86/100

Tourist Crowds

🔴 Very Busy

100/100

Price Level

💰💰💰 Expensive

100/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1016 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
43AQI
Good
PM2.5 Concentration13.4 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):14
In Aug (30y):0
💡 Very rare tremors. Standard travel precautions apply.
Medium

Volcanic Activity

Nearest: Mount Rainier

94.3km away

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Seattle on August 28 averages 23.2°C with a 17% precipitation probability. Wedding/Outdoor Event Score: 99/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Seattle Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2017
28.1°C
Coldest
2024
10.9°C
Rainiest
2016
0.2mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (August 28) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Seattle Worth Visiting on August 28?

Planning a trip to Seattle on August 28? 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 23.2°C with a 17% historical precipitation risk.

✈️ Travel Logistics: Approximately 713 landing slots available daily during this period, indicating peak tourist activity.

📊 Historical Extremes: The hottest August 28 recorded in the last 30 years saw temperatures hit 28.1°C in 2017, while the coldest dropped to 10.9°C in 2024.

Seattle Weather FAQ