Frost dates in Watseka, IL
The average last spring frost in Watseka is around April 27 and the first fall frost is around October 12. That gives Watseka an average growing season of about 168 days.
Last spring frost
| Early (10% chance after) | April 8 |
|---|---|
| Average (50%) | April 27 |
| Late (90%) | May 13 |
First fall frost
| Early (10%) | September 23 |
|---|---|
| Average (50%) | October 12 |
| Late (90% chance before) | October 29 |