February 18 is generally a great time to visit Seattle. While there is a slight chance of rain (39%), showers are usually brief. Expect comfortable 9°C weather. It's a lively time to explore Seattle, with most attractions operating at full capacity.
View the full calendar
Essential Travel Info for Seattle
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 February 18
"Mild & Comfortable. Expect average highs of 8.8°C. 39% chance of rain."
What to Wear in Seattle in February
Based on historical data for February 18, Seattle typically experiences temperatures between 2.4°C and 8.8°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 39% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Seattle
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
- Umbrella
Average High
8.8°C
Daytime Peak
Average Low
2.4°C
Nighttime Low
Feels Like
6.3°C
❄️ Slightly colder
Rain Chance
39%
Avg 3.1mm if it rains
Cloud Cover
70%
Light drizzle
Pressure
1016.6 hPa
High volatility
Seattle Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% 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
🔴 80 min to burn
Type III-IV
🟡 120 min to burn
Type V-VI
🟢 200 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
5.9°C
Dry air
Heat Stress
Low
No heat warning
😕 Best outdoor time:
Midday (11 AM - 3 PM) when warmest
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
Busy
72/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~533
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Seattle
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:11
☀️ Noon
12:24
🌇 Sunset
17:38
⏱️ Daylight
10h 26m
Wind Speed
16 km/h
Gentle breeze
Sunshine
5.3 hrs
Direct Sun (Cloud-free)
Humidity
82%
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
⛅ Good
Tourist Crowds
🟢 Quiet
Price Level
💰 Affordable
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Weather unlikely to affect joint pain.
Fish are active due to pressure changes.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
Volcanic Activity
Nearest: Mount Rainier
94.3km away
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Seattle on February 18 averages 8.8°C with a 39% precipitation probability. Wedding/Outdoor Event Score: 52/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Seattle Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (February 18) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Seattle Worth Visiting on February 18?
Planning a trip to Seattle on February 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 8.8°C with a 39% historical precipitation risk.
✈️ Travel Logistics: Approximately 533 landing slots available daily during this period, indicating peak tourist activity.
📊 Historical Extremes: The hottest February 18 recorded in the last 30 years saw temperatures hit 11.4°C in 2025, while the coldest dropped to -0.2°C in 2019.