Last frost date in Oak Lawn, Illinois
April 10
Average last frost in spring. In an early year (1 in 10) it's over by March 30; in a late year (1 in 10) it comes after April 26.
November 1
Average first frost in fall. 1 year in 10 it comes by October 21.
Source: NOAA U.S. Climate Normals 1991–2020, station Chicago Midway AP 3SW (USC00111577), 2.1 miles from Oak Lawn, elevation 620 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Alsip, Blue Island, Bridgeview, Burbank, Chicago Ridge, Crestwood, Evergreen Park, Justice, Midlothian, Palos Heights, Riverdale and Worth, so their frost dates are the same as Oak Lawn's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 30 | Apr 10 | Apr 26 |
| First frost in fall | Oct 21 | Nov 1 | Nov 16 |
Frost-free days in an average year: 203
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 22 | Oct 22 |
| Frost (32°F) | Every year | Apr 10 | Nov 1 |
| Hard freeze (28°F) | Every year | Apr 1 | Nov 11 |
Nights at 32°F or colder in an average year: 108
What to plant now in Oak Lawn
- Corn saladSept 15 – Nov 1Now
- Upland cressSept 15 – Nov 1Now
- Rhubarb plantsNov 1 – Dec 1Soon
- Asparagus plantsNov 15 – Jan 1Soon
- Spring planting calendar for an average last frost around April 10 Oak Lawn: April 10
- Fall planting calendar for an average first frost around October 30 Oak Lawn: November 1
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Illinois
- Cicero 9 mi · last frost Apr 11
- Orland Park 9 mi · last frost Apr 19
- Chicago 9 mi · last frost Apr 10
- Tinley Park 10 mi · last frost Apr 23
- Bolingbrook 18 mi · last frost Apr 20