Sisseton, SD Weather & Growing Conditions
Overnight
38°F
Light Rain
Rain and patchy fog. Cloudy, with a low around 38. North northwest wind around 26 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Light Rain | 26 mph NNW | 86% |
| Wednesday | 43°F | Light Rain | 20 to 26 mph NNW | 90% |
| Wednesday Night | 32°F | Patchy Fog then Mostly Cloudy | 20 mph NNW | 13% |
| Thursday | 39°F | Patchy Fog then Mostly Cloudy | 9 to 18 mph NNW | 0% |
| Thursday Night | 26°F | Mostly Cloudy | 1 to 8 mph NNW | 0% |
| Friday | 42°F | Mostly Sunny | 1 to 5 mph S | 0% |
| Friday Night | 29°F | Partly Cloudy | 6 mph SSW | 0% |
| Saturday | 53°F | Sunny | 6 to 13 mph SW | 1% |
| Saturday Night | 36°F | Mostly Clear | 12 mph W | 0% |
| Sunday | 55°F | Sunny | 8 mph WSW | 0% |
| Sunday Night | 39°F | Mostly Clear | 7 to 10 mph SW | 0% |
| Monday | 58°F | Mostly Sunny | 9 to 15 mph WNW | 0% |
| Monday Night | 37°F | Mostly Clear | 8 mph WNW | 0% |
| Tuesday | 53°F | Mostly Sunny | 7 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sisseton, SD
Last spring frost
May 4
First fall frost
Oct 3
Growing season
151 days
Hardiness zone
4b
Explore more for Sisseton, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Sisseton, Sd (1.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.