Big Lake, MN Weather & Growing Conditions
Today
72°F
Mostly Sunny
Mostly sunny, with a high near 72. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Mostly Sunny | 5 to 10 mph NW | 0% |
| Tonight | 50°F | Mostly Clear | 0 to 5 mph W | 0% |
| Wednesday | 76°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 56°F | Partly Cloudy | 0 to 5 mph SW | 1% |
| Thursday | 82°F | Sunny | 5 to 10 mph SW | 5% |
| Thursday Night | 61°F | Mostly Clear | 5 to 10 mph SW | 4% |
| Friday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 19% |
| Friday Night | 58°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 27% |
| Saturday | 79°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 17% |
| Saturday Night | 58°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 35% |
| Sunday | 77°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 24% |
| Sunday Night | 57°F | Partly Cloudy | 0 to 5 mph N | 14% |
| Monday | 78°F | Slight Chance Rain Showers | 0 to 5 mph N | 21% |
| Monday Night | 56°F | Slight Chance Rain Showers | 0 to 5 mph N | 19% |
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 Aug 4, 2026.