Last frost date in Forest Lake, Minnesota
May 3
Average last frost in spring. In an early year (1 in 10) it's over by April 20; in a late year (1 in 10) it comes after May 19.
October 5
Average first frost in fall. 1 year in 10 it comes by September 22.
Source: NOAA U.S. Climate Normals 1991–2020, station Forest Lake 5NE (USC00212881), 6.5 miles from Forest Lake, elevation 905 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 20 | May 3 | May 19 |
| First frost in fall | Sept 22 | Oct 5 | Oct 20 |
Frost-free days in an average year: 154
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 14 | Sept 28 |
| Frost (32°F) | Every year | May 3 | Oct 5 |
| Hard freeze (28°F) | Every year | Apr 24 | Oct 17 |
Nights at 32°F or colder in an average year: 161
What to plant now in Forest Lake
- Spring planting calendar for an average last frost around April 30 Forest Lake: May 3
- Fall planting calendar for an average first frost around September 30 Forest Lake: October 5
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 Minnesota
- Blaine 13 mi · last frost May 5
- East Bethel 14 mi · last frost May 1
- Stillwater 15 mi · last frost Apr 30
- Maplewood 16 mi · last frost Apr 23
- North Branch 18 mi · last frost May 19
Updated