Last frost date in Arlington Heights, Illinois
April 19
Average last frost in spring. In an early year (1 in 10) it's over by April 4; in a late year (1 in 10) it comes after May 3.
October 26
Average first frost in fall. 1 year in 10 it comes by October 13.
Source: NOAA U.S. Climate Normals 1991–2020, station Chicago Palwaukee AP (USW00004838), 4.3 miles from Arlington Heights, elevation 636 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Buffalo Grove, Mount Prospect, Prospect Heights, Rolling Meadows and Wheeling, so their frost dates are the same as Arlington Heights's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 4 | Apr 19 | May 3 |
| First frost in fall | Oct 13 | Oct 26 | Nov 9 |
Frost-free days in an average year: 190
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 30 | Oct 16 |
| Frost (32°F) | Every year | Apr 19 | Oct 26 |
| Hard freeze (28°F) | Every year | Apr 5 | Nov 7 |
Nights at 32°F or colder in an average year: 122
What to plant now in Arlington Heights
- 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 20 Arlington Heights: April 19
- Fall planting calendar for an average first frost around October 30 Arlington Heights: October 26
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
- Palatine 3 mi · last frost Apr 25
- Des Plaines 6 mi · last frost Apr 16
- Schaumburg 7 mi · last frost Apr 30
- Mundelein 12 mi · last frost Apr 29
- Carol Stream 14 mi · last frost Apr 25
Updated