Garretson, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Garretson, a city in Minnehaha County, South Dakota.
This Afternoon
68°F
Patchy Fog
Patchy fog before 5pm. Cloudy, with a high near 68. East southeast wind around 10 mph.
7-day forecast for Garretson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Patchy Fog | 10 mph ESE | 12% |
| Tonight | 61°F | Patchy Fog | 5 to 10 mph NE | 22% |
| Saturday | 66°F | Patchy Fog then Cloudy | 5 to 10 mph NNE | 20% |
| Saturday Night | 55°F | Mostly Cloudy | 10 mph NNE | 3% |
| Sunday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Sunday Night | 52°F | Chance Rain Showers | 10 mph ENE | 48% |
| 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 | 22% |
| Tuesday | 63°F | Partly Sunny | 5 to 10 mph ESE | 4% |
| 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 | 33% |
| Thursday | 68°F | Chance Rain Showers | 5 to 10 mph SSE | 33% |
| Thursday Night | 53°F | Mostly Cloudy | 5 mph SSE | 13% |
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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Sioux Falls
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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 Sep 18, 2026.