Cloudy skies · Washington
How cloudy is Olympia?
In a typical year, the sky over Olympia is mostly cloudy or overcast about 51% of the time, and clear or nearly clear about 41%.
January is the cloudiest month, mostly cloudy about 72% of the time, and August the least cloudy, at about 30%. That makes it the 23rd cloudiest sky of the 116 US cities we track.
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The forecast for the next 48 hours has the sky mostly cloudy about 75% of the time.
Olympia’s January sky is mostly cloudy or overcast about 72% of the time, and the moss on everything is there as proof.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
The sky at a glance
| Mostly cloudy or overcast, all year | 51% |
|---|---|
| Clear or nearly clear, all year | 41% |
| Mostly cloudy, December to February | too few readings |
| Cloudiest month | January, 72% |
| Least cloudy month | August, 30% |
Shares of hours across a typical year. Mostly cloudy means at least five eighths of the sky covered; clear or nearly clear means two eighths or less.
Cities with about the same sky
- Baltimore, Maryland: mostly cloudy about 51% of the time
- Boston, Massachusetts: mostly cloudy about 51% of the time
- Minneapolis, Minnesota: mostly cloudy about 51% of the time
More about the weather here
Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00024227. Airport sensors see cloud up to about 12,000 feet, so thin high cloud isn’t counted.