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Garretson, MN Weather & Growing Conditions

Tonight
61°F
Areas Of Fog
Areas of fog between 9pm and 1am, then patchy fog and a slight chance of rain showers. Cloudy, with a low around 61. North northeast wind around 5 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 61°F Areas Of Fog 5 mph NNE 21%
Saturday 66°F Patchy Fog then Cloudy 5 to 10 mph NNE 12%
Saturday Night 55°F Mostly Cloudy 10 mph NNE 1%
Sunday 64°F Mostly Cloudy then Slight Chance Rain Showers 10 to 15 mph NE 21%
Sunday Night 52°F Chance Rain Showers 10 mph ENE 49%
Monday 60°F Chance Rain Showers 10 mph ENE 49%
Monday Night 47°F Slight Chance Rain Showers then Mostly Cloudy 5 to 10 mph ENE 19%
Tuesday 63°F Partly Sunny 5 to 10 mph ESE 5%
Tuesday Night 47°F Partly Cloudy 5 mph SE 1%
Wednesday 66°F Partly Sunny 5 to 10 mph SSE 9%
Wednesday Night 51°F Chance Rain Showers 5 mph SSE 35%
Thursday 68°F Chance Rain Showers 5 to 10 mph SSE 35%
Thursday Night 53°F Mostly Cloudy 5 mph SE 14%
Friday 69°F Partly Sunny 5 to 10 mph SE 14%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Garretson, MN

Last spring frost
May 1
First fall frost
Oct 4
Growing season
155 days
Hardiness zone
5a

Explore more for Garretson, MN: full frost dates · planting calendar · Minnesota frost dates

Climate data from the nearest NOAA station, Sioux Falls 14 Nne, Sd (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.