Forest Lake, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Forest Lake, a city in Anoka County, Minnesota.
This Afternoon
60°F
Rain Showers
Rain showers. Mostly cloudy, with a high near 60. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Forest Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Rain Showers | 15 mph E | 83% |
| Tonight | 54°F | Rain Showers | 10 to 15 mph E | 90% |
| Saturday | 63°F | Rain Showers Likely then Drizzle Likely | 10 mph ENE | 62% |
| Saturday Night | 52°F | Mostly Cloudy | 5 to 10 mph NE | 13% |
| Sunday | 69°F | Partly Sunny | 10 mph NE | 0% |
| Sunday Night | 46°F | Mostly Cloudy | 5 to 10 mph ENE | 1% |
| Monday | 64°F | Mostly Cloudy | 5 to 10 mph E | 4% |
| Monday Night | 43°F | Mostly Cloudy | 0 to 5 mph ENE | 2% |
| Tuesday | 65°F | Mostly Sunny | 5 mph E | 2% |
| Tuesday Night | 43°F | Partly Cloudy | 0 to 5 mph ESE | 0% |
| Wednesday | 67°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph ESE | 8% |
| Thursday | 69°F | Mostly Sunny | 0 to 5 mph SSE | 13% |
| Thursday Night | 50°F | Partly Cloudy | 0 mph | 9% |
Forecast source: National Weather Service (api.weather.gov) for Forest Lake (45.251, -92.967). Updated through the day.
Growing snapshot for Forest Lake
Last spring frost
May 3
First fall frost
Oct 5
Growing season
154 days
Hardiness zone
4b
More local growing data for Forest Lake: nearby ZIP 55025 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Andover
Bethel
Blaine
Centerville
Circle Pines
Columbia Heights
Columbus
Coon Rapids
East Bethel
Fridley
Ham Lake
Hilltop
Lexington
Lino Lakes
Martin Lake
Nowthen
Oak Grove
Ramsey
Spring Lake Park
St. Francis
Climate data from the nearest NOAA station, Forest Lake 5Ne, Mn (7.6 mi from Forest Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.