Big Lake, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Lake, a city in Sherburne County, Minnesota.
Overnight
50°F
Light Rain
Rain and patchy fog. Cloudy, with a low around 50. North northwest wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Big Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Light Rain | 10 mph NNW | 89% |
| Wednesday | 54°F | Light Rain | 10 mph NNW | 98% |
| Wednesday Night | 43°F | Light Rain | 10 to 15 mph NNW | 87% |
| Thursday | 48°F | Slight Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 20% |
| Thursday Night | 33°F | Mostly Cloudy | 5 to 10 mph NNE | 0% |
| Friday | 45°F | Mostly Sunny | 0 to 5 mph ENE | 0% |
| Friday Night | 30°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph SW | 1% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph W | 5% |
| Sunday | 55°F | Mostly Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 37°F | Partly Cloudy | 5 mph SSW | 0% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph WSW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 mph WNW | 1% |
| Tuesday | 53°F | Sunny | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Big Lake (45.342, -93.743). Updated through the day.
Growing snapshot for Big Lake
Last spring frost
May 4
First fall frost
Oct 5
Growing season
154 days
Hardiness zone
4b
More local growing data for Big Lake: nearby ZIP 55309 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Elk Rvr, Mn (8.9 mi from Big Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.