Today's Weather Forecast - Seattle
Today's weather in Seattle. high 19°C (66°F), low 11°C (52°F). Overcast.
Today’s Hourly Weather Outlook
- Wind speed
- 10 km/h
- Rain probability
- 1%
- Wind speed
- 8 km/h
- Rain probability
- 1%
- Wind speed
- 7 km/h
- Rain probability
- 3%
- Wind speed
- 8 km/h
- Rain probability
- 1%
24-Hour Rain & Temperature Forecast
Sunrise & Sunset
Air Quality Index & Health Advice
Air Quality Index
- Air quality level
- Good
- Dominant pollutant
- Dominant: PM2.5
- Monitoring station
- 10th and Weller, Seattle, Washington, USA
- PM2.5
- 34μg/m³
- NO₂
- 14.3ppb
- CO
- 500ppm
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Seattle is forecast to reach a high of 19°C today, with an overnight low around 11°C. That's 2° below the long-term average high of 21°C for this time of year. It continues a recent pattern — 10 of the last 28 days with published data have run cooler than normal. Expect little chance of rain (3% probability) and a gentle breeze averaging 10 km/h. Air quality is currently good (AQI 47), with no notable outdoor health concerns.
Today vs Normal
The long-term average high for today is 21°C.
10 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running below normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.