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
59°F
Light Rain
Rain and patchy fog. Cloudy. High near 59, with temperatures falling to around 55 in the afternoon. North wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Forest Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Light Rain | 5 to 10 mph N | 100% |
| Tonight | 50°F | Rain | 5 to 10 mph NNE | 98% |
| Wednesday | 56°F | Rain | 5 to 10 mph NNE | 82% |
| Wednesday Night | 44°F | Light Rain | 10 to 15 mph NNW | 95% |
| Thursday | 48°F | Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 34% |
| Thursday Night | 34°F | Mostly Cloudy | 5 to 10 mph NNE | 2% |
| Friday | 46°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 30°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph SSW | 1% |
| Saturday Night | 35°F | Partly Cloudy | 5 mph WSW | 7% |
| Sunday | 55°F | Mostly Sunny | 5 to 10 mph W | 9% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph SSW | 1% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph W | 1% |
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 Nov 3, 2026.