Windy cities · Washington
How windy is Seattle?
Across a typical year, the wind in Seattle averages about 7.7 mph.
December is the windiest month, at about 8.5 mph, and August the calmest, at about 6.7 mph. There’s no wind at all about 9% of the time. That makes it the joint 45th least windy of the 124 US cities we track.
Last updated
The strongest average wind in the forecast for the next 48 hours is about 16 mph.
Seattle averages about 7.7 mph of wind, so the drizzle mostly falls straight down instead of sideways.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
The wind at a glance
| Average wind speed, all year | 7.7 mph |
|---|---|
| Windiest month | December, 8.5 mph |
| Calmest month | August, 6.7 mph |
| Hours with no wind at all | 9% |
Average wind speeds across every hour of a typical year, not gusts.
Cities with about the same wind
- Columbus, Ohio: about 7.7 mph
- Hartford, Connecticut: about 7.7 mph
- Louisville, Kentucky: about 7.7 mph
More about the weather here
Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00024233. Average wind speed, not gusts.