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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.

Overnight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. West northwest wind around 8 mph.

7-day forecast for Bluffton

WhenTempForecastWindPrecip
Overnight 52°F Partly Cloudy 8 mph WNW 0%
Tuesday 73°F Sunny 9 to 13 mph WNW 0%
Tuesday Night 50°F Mostly Clear 1 to 10 mph WSW 0%
Wednesday 79°F Sunny 3 to 12 mph SW 0%
Wednesday Night 59°F Partly Cloudy 7 to 12 mph SW 5%
Thursday 85°F Sunny 10 to 15 mph SW 6%
Thursday Night 61°F Mostly Clear 7 to 15 mph SSW 8%
Friday 86°F Sunny 7 to 13 mph WSW 10%
Friday Night 57°F Mostly Clear 2 to 13 mph NE 12%
Saturday 85°F Mostly Sunny 2 to 10 mph WSW 13%
Saturday Night 59°F Chance Showers And Thunderstorms 3 to 10 mph NE 27%
Sunday 82°F Chance Rain Showers then Sunny 3 to 9 mph NE 25%
Sunday Night 59°F Partly Cloudy then Slight Chance Rain Showers 5 to 9 mph NE 17%
Monday 82°F Slight Chance Rain Showers 5 to 10 mph NNE 17%

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 Aug 4, 2026.