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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
57°F
Rain
Rain and patchy fog. Cloudy. High near 57, with temperatures falling to around 54 in the afternoon. North wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Big Lake

WhenTempForecastWindPrecip
This Afternoon 57°F Rain 10 mph N 78%
Tonight 49°F Rain 10 mph NE 88%
Wednesday 51°F Rain 10 mph NE 90%
Wednesday Night 39°F Light Rain 10 to 15 mph N 89%
Thursday 42°F Slight Chance Light Rain then Mostly Cloudy 10 to 15 mph N 21%
Thursday Night 28°F Mostly Cloudy 0 to 5 mph NE 0%
Friday 41°F Mostly Sunny 0 mph 0%
Friday Night 25°F Partly Cloudy 0 mph 0%
Saturday 47°F Mostly Sunny 0 to 5 mph SW 2%
Saturday Night 33°F Partly Cloudy 5 mph W 13%
Sunday 51°F Mostly Sunny 5 to 10 mph W 9%
Sunday Night 33°F Partly Cloudy 5 mph SW 2%
Monday 52°F Mostly Sunny 5 to 10 mph SW 2%
Monday Night 34°F Partly Cloudy 5 to 10 mph W 0%

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

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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 Nov 4, 2026.