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Bluffton, MN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Bluffton, a city in Otter Tail County, Minnesota.

Tonight
52°F
Chance Rain Showers then Cloudy
A chance of rain showers before 11pm. Cloudy. Low around 52, with temperatures rising to around 54 overnight. East wind 8 to 13 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Bluffton

WhenTempForecastWindPrecip
Tonight 52°F Chance Rain Showers then Cloudy 8 to 13 mph E 40%
Saturday 66°F Mostly Cloudy 7 to 10 mph ENE 7%
Saturday Night 51°F Mostly Cloudy 5 to 8 mph NNE 0%
Sunday 65°F Mostly Cloudy 8 to 12 mph ENE 0%
Sunday Night 44°F Mostly Cloudy 6 to 9 mph E 2%
Monday 63°F Partly Sunny 6 to 9 mph E 2%
Monday Night 41°F Partly Cloudy 6 mph ESE 0%
Tuesday 64°F Mostly Sunny 3 to 10 mph ESE 0%
Tuesday Night 43°F Mostly Clear 5 to 8 mph SE 1%
Wednesday 65°F Mostly Sunny 5 to 13 mph SSE 4%
Wednesday Night 48°F Partly Cloudy then Slight Chance Rain Showers 5 to 8 mph SSE 15%
Thursday 68°F Slight Chance Rain Showers then Partly Sunny 5 to 10 mph S 15%
Thursday Night 50°F Partly Cloudy 6 mph SSE 6%
Friday 71°F Mostly Sunny 3 to 12 mph SSE 8%

Forecast source: National Weather Service (api.weather.gov) for Bluffton (46.469, -95.234). Updated through the day.

Growing snapshot for Bluffton

Last spring frost
May 10
First fall frost
Sep 29
Growing season
141 days
Hardiness zone
4a

More local growing data for Bluffton: nearby ZIP 56518 weather · frost dates · planting calendar · Minnesota frost dates

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Climate data from the nearest NOAA station, New York Mills, Mn (6.8 mi from Bluffton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.