Big Lake, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Lake, a city in Sherburne County, Minnesota.
Today
75°F
Partly Sunny
Partly sunny, with a high near 75. Northwest wind around 10 mph.
7-day forecast for Big Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Partly Sunny | 10 mph NW | 1% |
| Tonight | 54°F | Partly Cloudy | 0 to 10 mph W | 0% |
| Wednesday | 78°F | Sunny | 0 to 10 mph WSW | 0% |
| Wednesday Night | 59°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Thursday | 83°F | Sunny | 5 to 15 mph SSW | 1% |
| Thursday Night | 64°F | Mostly Clear | 10 mph SSW | 3% |
| Friday | 86°F | Sunny | 5 to 10 mph SSW | 9% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 22% |
| Saturday | 85°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SSW | 16% |
| Saturday Night | 64°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph N | 52% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 52% |
| Sunday Night | 63°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph NE | 17% |
| Monday | 83°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 18% |
| Monday Night | 63°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph NNE | 22% |
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 Aug 4, 2026.