Seattle UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index6.6
- Avg Clouds68%
- Max Temp23.1 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Seattle, United States 
will reach a high of 6.6 today. This means a high level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-18
Hourly Forecast Chart
Today's Safety Tips
Be careful! The sun's rays are strong. Try to stay in the shade between 10 a.m. and 4 p.m. Wear a hat, sunglasses, and reapply SPF 30+ sunscreen every 2 hours.
Seattle's UV Index
Seattle's UV index is generally low, often between 1 and 3, due to frequent cloud cover and its northern location. Summers can see moderate increases, sometimes reaching 5 to 6 on clearer days.
Weather Seasons
Seattle experiences mild, wet winters with lots of rain and cloudy skies. Summers are usually dry, cooler than many other US cities, with occasional sunny days. Spring and fall bring moderate temperatures and some rain.
Seattle's Climate
Compared to other West Coast cities like Portland and San Francisco, Seattle is cooler and wetter with less sunshine. It gets less snow than cities inland but more rain year-round than most neighboring states like Oregon and California.
Hourly UV Index Trend
See the UV index hour by hour for Seattle. When the level is high, it's smart to find some shade.
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