Cloudy skies · Iowa
How cloudy is Waterloo?
Waterloo right now
37°FClear skies
- Today41°F / 28°FClear skies
- Tomorrow47°F / 26°FClear skies
- Monday50°F / 30°FClear skies
Blue sky. Suspiciously nice.
Live from OpenWeatherMap. Alerts from the National Weather Service.
In a typical year, the sky over Waterloo is mostly cloudy or overcast about 36% of the time, and clear or nearly clear about 59%.
December is the cloudiest month, mostly cloudy about 47% of the time, and July the least cloudy, at about 22%. Across winter, December to February, it’s mostly cloudy about 46% of the time. That makes it the 35th least cloudy sky of the 116 US cities we track.
Last updated
The forecast for the next 48 hours has the sky mostly cloudy about 6% of the time.
Waterloo is mostly cloudy about 47% of the time in December, then clears to about 22% in July, which is a very Iowa way to run a sky.
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 | 36% |
|---|---|
| Clear or nearly clear, all year | 59% |
| Mostly cloudy, December to February | 46% |
| Cloudiest month | December, 47% |
| Least cloudy month | July, 22% |
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
- Asheville, North Carolina: mostly cloudy about 36% of the time
- Corpus Christi, Texas: mostly cloudy about 36% of the time
- Peoria, Illinois: mostly cloudy about 36% of the time
More about the weather here
Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00094910. Airport sensors see cloud up to about 12,000 feet, so thin high cloud isn’t counted.