Flensburg, MN Weather & Growing Conditions
Tonight
44°F
Rain
Rain before 7pm, then rain and patchy fog. Cloudy. Low around 44, with temperatures rising to around 47 overnight. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Rain | 15 mph N | 100% |
| Wednesday | 49°F | Rain | 15 mph N | 96% |
| Wednesday Night | 39°F | Light Rain | 15 mph NNW | 99% |
| Thursday | 43°F | Mostly Cloudy | 10 to 15 mph N | 7% |
| Thursday Night | 29°F | Mostly Cloudy | 0 to 10 mph NNE | 0% |
| Friday | 41°F | Mostly Sunny | 0 to 5 mph ESE | 0% |
| Friday Night | 27°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 50°F | Mostly Sunny | 0 to 10 mph SW | 4% |
| Saturday Night | 33°F | Partly Cloudy | 5 mph W | 9% |
| Sunday | 52°F | Mostly Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 34°F | Partly Cloudy | 5 mph SSW | 0% |
| Monday | 54°F | Mostly Sunny | 5 to 15 mph WSW | 1% |
| Monday Night | 35°F | Mostly Clear | 5 to 10 mph WNW | 1% |
| Tuesday | 49°F | Mostly Sunny | 5 to 10 mph WNW | 1% |
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 Nov 4, 2026.