Big Lake, MN Weather & Growing Conditions
Tonight
51°F
Slight Chance Drizzle then Patchy Fog
A slight chance of drizzle before midnight, then patchy fog and a slight chance of drizzle between midnight and 1am, then a chance of drizzle and patchy fog between 1am and 2am, then patchy fog and a slight chance of drizzle. Cloudy, with a low around 51. East wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Slight Chance Drizzle then Patchy Fog | 5 mph E | 25% |
| Saturday | 63°F | Patchy Fog then Mostly Cloudy | 5 mph E | 10% |
| Saturday Night | 48°F | Mostly Cloudy | 0 to 5 mph NE | 0% |
| Sunday | 60°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Sunday Night | 42°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Monday | 60°F | Mostly Sunny | 5 to 10 mph E | 0% |
| Monday Night | 39°F | Partly Cloudy | 5 to 10 mph E | 0% |
| Tuesday | 62°F | Sunny | 0 to 5 mph E | 0% |
| Tuesday Night | 40°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 64°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 44°F | Partly Cloudy | 0 to 5 mph SE | 10% |
| Thursday | 66°F | Partly Sunny | 0 to 5 mph S | 10% |
| Thursday Night | 46°F | Partly Cloudy | 0 to 5 mph SE | 5% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph E | 5% |
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.