Big Lake, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Lake, a community in Carlton County, Minnesota.
This Afternoon
59°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a high near 59. East wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Big Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Chance Rain Showers | 5 mph E | 29% |
| Tonight | 51°F | Chance Rain Showers | 5 mph E | 38% |
| Saturday | 63°F | Patchy Fog then Mostly Cloudy | 5 mph E | 14% |
| Saturday Night | 49°F | Mostly Cloudy | 0 to 5 mph NE | 2% |
| Sunday | 60°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Sunday Night | 43°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Monday | 59°F | Partly 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 | 47°F | Partly Cloudy | 0 to 5 mph SE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Big Lake (46.701, -92.621). Updated through the day.
Growing snapshot for Big Lake
Last spring frost
May 26
First fall frost
Sep 23
Growing season
118 days
Hardiness zone
4a
More local growing data for Big Lake: nearby ZIP 55780 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Barnum
Carlton
Cloquet
Cromwell
Esko
Kettle River
Mahnomen
Mahtowa
Moose Lake
Scanlon
Sturgeon Lake
Wrenshall
Wright
Climate data from the nearest NOAA station, Cloquet, Mn (7.6 mi from Big Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.