Last frost date in Arlington, Washington
April 22
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 6.
October 19
Average first frost in fall. 1 year in 10 it comes by October 3.
Source: NOAA U.S. Climate Normals 1991–2020, station Arlington (USC00450257), 2.2 miles from Arlington, elevation 100 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 4 | Apr 22 | May 6 |
| First frost in fall | Oct 3 | Oct 19 | Nov 4 |
Frost-free days in an average year: 181
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 10 | Oct 2 |
| Frost (32°F) | Every year | Apr 22 | Oct 19 |
| Hard freeze (28°F) | Every year | Mar 25 | Nov 3 |
Nights at 32°F or colder in an average year: 94
What to plant now in Arlington
- Spring planting calendar for an average last frost around April 20 Arlington: April 22
- Fall planting calendar for an average first frost around October 20 Arlington: October 19
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 Washington
- Everett 14 mi · last frost Mar 24
- Mount Vernon 19 mi · last frost Mar 24
- Monroe 23 mi · last frost Apr 17
- Oak Harbor 24 mi · last frost Mar 13
- Sedro-Woolley 24 mi · last frost Mar 27
Updated