Cloudy skies · Illinois
How cloudy is Springfield, Illinois?
In a typical year, the sky over Springfield, Illinois is mostly cloudy or overcast about 33% of the time, and clear or nearly clear about 62%.
January is the cloudiest month, mostly cloudy about 47% of the time, and July the least cloudy, at about 18%. Across winter, December to February, it’s mostly cloudy about 46% of the time. That makes it the 26th least cloudy sky of the 116 US cities we track.
Last updated
The forecast for the next 48 hours doesn’t have the sky mostly cloudy at any point.
Springfield, Illinois is clear or nearly clear about 62% of the time, a lot sunnier than the state’s reputation lets on.
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 | 33% |
|---|---|
| Clear or nearly clear, all year | 62% |
| Mostly cloudy, December to February | 46% |
| Cloudiest month | January, 47% |
| Least cloudy month | July, 18% |
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
- Sioux City, Iowa: mostly cloudy about 33% of the time
- Tallahassee, Florida: mostly cloudy about 33% of the time
- Savannah, Georgia: mostly cloudy about 32% of the time
More about the weather here
Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00093822. Airport sensors see cloud up to about 12,000 feet, so thin high cloud isn’t counted.