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Ottertail, MN Weather & Growing Conditions

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

Today
72°F
Sunny
Sunny, with a high near 72. West northwest wind around 12 mph.

7-day forecast for Ottertail

WhenTempForecastWindPrecip
Today 72°F Sunny 12 mph WNW 0%
Tonight 55°F Mostly Clear 3 to 10 mph WSW 0%
Wednesday 78°F Sunny 7 to 12 mph SW 0%
Wednesday Night 62°F Partly Cloudy 9 to 15 mph SSW 8%
Thursday 82°F Sunny 15 mph SW 8%
Thursday Night 64°F Mostly Clear 9 to 14 mph SSW 8%
Friday 83°F Sunny 8 to 13 mph SW 8%
Friday Night 62°F Mostly Clear 5 to 12 mph NE 9%
Saturday 83°F Mostly Sunny 5 to 9 mph SW 12%
Saturday Night 63°F Chance Showers And Thunderstorms 6 to 9 mph ENE 28%
Sunday 81°F Slight Chance Rain Showers then Sunny 8 mph NE 22%
Sunday Night 63°F Partly Cloudy then Slight Chance Rain Showers 7 mph NNE 17%
Monday 79°F Slight Chance Rain Showers then Partly Sunny 9 mph NE 17%
Monday Night 62°F Slight Chance Rain Showers 6 to 9 mph NE 16%

Forecast source: National Weather Service (api.weather.gov) for Ottertail (46.432, -95.571). Updated through the day.

Growing snapshot for Ottertail

Last spring frost
May 5
First fall frost
Oct 5
Growing season
153 days
Hardiness zone
4a

More local growing data for Ottertail: nearby ZIP 56571 weather · frost dates · planting calendar · Minnesota frost dates

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Climate data from the nearest NOAA station, Ottertail, Mn (1.4 mi from Ottertail). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.