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Garretson, SD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Garretson, a city in Minnehaha County, South Dakota.

Overnight
39°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 39, with temperatures rising to around 42 overnight. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Garretson

WhenTempForecastWindPrecip
Overnight 39°F Chance Rain Showers 15 mph NW 51%
Wednesday 44°F Rain Showers Likely 15 mph NW 74%
Wednesday Night 37°F Chance Rain Showers then Cloudy 15 mph NW 48%
Thursday 44°F Mostly Cloudy 10 to 15 mph N 1%
Thursday Night 30°F Mostly Cloudy 0 to 10 mph N 0%
Friday 44°F Mostly Sunny 0 mph 0%
Friday Night 29°F Partly Cloudy 0 mph 0%
Saturday 50°F Mostly Sunny 0 to 10 mph SSW 1%
Saturday Night 34°F Mostly Clear 5 mph W 0%
Sunday 54°F Sunny 5 to 10 mph WSW 0%
Sunday Night 37°F Mostly Clear 5 mph SSW 0%
Monday 59°F Sunny 5 to 10 mph W 0%
Monday Night 37°F Mostly Clear 0 to 5 mph NW 0%
Tuesday 56°F Mostly Sunny 0 to 5 mph WNW 1%

Forecast source: National Weather Service (api.weather.gov) for Garretson (43.715, -96.503). Updated through the day.

Growing snapshot for Garretson

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

More local growing data for Garretson: nearby ZIP 57030 weather · frost dates · planting calendar · South Dakota frost dates

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Climate data from the nearest NOAA station, Sioux Falls 14 Nne, Sd (3.9 mi from Garretson). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.