Flensburg, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Flensburg, a city in Morrison County, Minnesota.
This Afternoon
59°F
Rain Showers
Rain showers. Mostly cloudy, with a high near 59. East wind around 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Flensburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Rain Showers | 15 mph E | 77% |
| Tonight | 52°F | Rain Showers | 10 to 15 mph E | 76% |
| Saturday | 64°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 18% |
| Saturday Night | 50°F | Partly Cloudy | 5 mph NE | 0% |
| 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 | 2% |
| 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 | Mostly 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% |
Forecast source: National Weather Service (api.weather.gov) for Flensburg (45.948, -94.530). Updated through the day.
Growing snapshot for Flensburg
Last spring frost
May 4
First fall frost
Oct 5
Growing season
151 days
Hardiness zone
4a
More local growing data for Flensburg: nearby ZIP 56328 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Bowlus
Elmdale
Genola
Harding
Hillman
Lastrup
Little Falls
Pierz
Randall
Royalton
Sobieski
Swanville
Upsala
Climate data from the nearest NOAA station, Little Falls 2Nne, Mn (9.2 mi from Flensburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.