Flensburg, MN Weather & Growing Conditions
Tonight
52°F
Chance Rain Showers
A chance of rain showers and patchy fog before 1am, then a chance of drizzle between 1am and 3am. Cloudy. Low around 52, with temperatures rising to around 56 overnight. East wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Chance Rain Showers | 10 mph E | 32% |
| Saturday | 64°F | Cloudy | 10 mph NE | 10% |
| Saturday Night | 50°F | Partly Cloudy | 5 mph NE | 2% |
| Sunday | 66°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Sunday Night | 45°F | Mostly Cloudy | 5 to 10 mph ENE | 1% |
| Monday | 63°F | Mostly Cloudy | 5 to 10 mph E | 3% |
| Monday Night | 41°F | Partly Cloudy | 0 to 5 mph E | 1% |
| Tuesday | 64°F | Mostly Sunny | 0 to 10 mph ESE | 1% |
| Tuesday Night | 42°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Wednesday | 65°F | Sunny | 0 to 10 mph SE | 2% |
| Wednesday Night | 46°F | Partly Cloudy | 0 to 5 mph SSE | 13% |
| Thursday | 68°F | Partly Sunny | 0 to 10 mph S | 13% |
| Thursday Night | 49°F | Partly Cloudy | 0 to 5 mph SSE | 6% |
| Friday | 71°F | Mostly Sunny | 0 to 10 mph SSE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Flensburg, MN
Last spring frost
May 4
First fall frost
Oct 5
Growing season
151 days
Hardiness zone
4a
Explore more for Flensburg, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Little Falls 2Nne, Mn (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.