Big Lake, MN Weather & Growing Conditions
Today
62°F
Patchy Fog then Cloudy
Patchy fog before 10am. Cloudy, with a high near 62. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Patchy Fog then Cloudy | 5 mph E | 8% |
| Tonight | 49°F | Mostly Cloudy | 0 to 5 mph NE | 2% |
| Sunday | 61°F | Mostly Cloudy | 5 to 10 mph NE | 1% |
| Sunday Night | 41°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph E | 0% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph E | 0% |
| Tuesday | 63°F | Sunny | 0 to 5 mph E | 0% |
| Tuesday Night | 39°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 64°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 42°F | Mostly Clear | 0 to 5 mph E | 4% |
| Thursday | 66°F | Mostly Sunny | 0 to 5 mph SE | 5% |
| Thursday Night | 45°F | Partly Cloudy | 0 to 5 mph SE | 5% |
| Friday | 69°F | Partly Sunny | 0 to 5 mph SE | 4% |
| Friday Night | 48°F | Partly Cloudy | 0 to 5 mph SE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Big Lake, MN
Last spring frost
May 26
First fall frost
Sep 23
Growing season
118 days
Hardiness zone
4a
Explore more for Big Lake, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Cloquet, Mn (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.