Big Lake, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Lake, a community in Carlton County, Minnesota.
Today
73°F
Mostly Sunny
Mostly sunny, with a high near 73. West wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Big Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 10 mph W | 0% |
| Tonight | 49°F | Mostly Clear | 0 to 10 mph W | 0% |
| Wednesday | 77°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 56°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Thursday | 83°F | Sunny | 5 to 10 mph SW | 3% |
| Thursday Night | 63°F | Partly Cloudy | 10 mph SW | 11% |
| Friday | 83°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 | 28% |
| Saturday | 78°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 18% |
| Saturday Night | 57°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 34% |
| Sunday | 76°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 23% |
| Sunday Night | 57°F | Partly Cloudy | 0 to 5 mph N | 14% |
| Monday | 77°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) 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 Aug 4, 2026.