Frost dates in Arlington Heights, IL

The average last spring frost in Arlington Heights is around April 22 and the first fall frost is around October 22. That gives Arlington Heights an average growing season of about 183 days.

Last spring frost

Early (10% chance after)April 12
Average (50%)April 22
Late (90%)May 1

First fall frost

Early (10%)October 8
Average (50%)October 22
Late (90% chance before)November 2

See the Arlington Heights planting calendar →