Big Lake, MN Weather & Growing Conditions
Tonight
54°F
Chance Rain Showers
A chance of rain showers and patchy fog before 1am, then a chance of drizzle and patchy fog. Cloudy. Low around 54, with temperatures rising to around 57 overnight. East wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Chance Rain Showers | 10 mph E | 35% |
| Saturday | 64°F | Cloudy | 10 mph NE | 24% |
| Saturday Night | 51°F | Mostly Cloudy | 5 to 10 mph NE | 3% |
| Sunday | 68°F | Partly Sunny | 10 mph NE | 0% |
| Sunday Night | 47°F | Mostly Cloudy | 5 to 10 mph NE | 2% |
| Monday | 64°F | Mostly Cloudy | 5 to 10 mph ENE | 6% |
| Monday Night | 43°F | Mostly Cloudy | 5 mph ENE | 6% |
| Tuesday | 65°F | Mostly Sunny | 5 to 10 mph E | 2% |
| Tuesday Night | 43°F | Mostly Clear | 0 to 5 mph ESE | 1% |
| Wednesday | 67°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph SE | 11% |
| Thursday | 70°F | Partly Sunny | 0 to 5 mph S | 14% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph SSE | 5% |
| Friday | 72°F | Mostly Sunny | 0 to 10 mph SE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Big Lake, MN
Last spring frost
May 4
First fall frost
Oct 5
Growing season
154 days
Hardiness zone
4b
Explore more for Big Lake, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Elk Rvr, Mn (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.