Garretson, MN Weather & Growing Conditions
Overnight
60°F
Patchy Fog
Patchy fog. Cloudy, with a low around 60. North northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Patchy Fog | 5 mph NNE | 12% |
| Saturday | 65°F | Patchy Fog then Mostly Cloudy | 5 to 10 mph NNE | 13% |
| Saturday Night | 54°F | Mostly Cloudy | 10 mph NNE | 4% |
| Sunday | 66°F | Mostly Cloudy | 10 to 15 mph NE | 5% |
| Sunday Night | 51°F | Chance Rain Showers | 10 to 15 mph ENE | 39% |
| Monday | 61°F | Chance Rain Showers | 10 mph ENE | 39% |
| Monday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph E | 15% |
| Tuesday | 63°F | Partly Sunny | 5 to 10 mph ESE | 5% |
| Tuesday Night | 44°F | Partly Cloudy | 5 mph SE | 2% |
| Wednesday | 66°F | Mostly Sunny | 5 to 10 mph SSE | 7% |
| Wednesday Night | 50°F | Partly Cloudy then Chance Rain Showers | 5 to 10 mph SSE | 31% |
| Thursday | 68°F | Chance Rain Showers | 5 to 10 mph SSE | 31% |
| Thursday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 15% |
| Friday | 70°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph SE | 15% |
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.