Sisseton, SD Weather & Growing Conditions
Overnight
38°F
Light Rain
Rain and patchy fog. Cloudy. Low around 38, with temperatures rising to around 41 overnight. North northwest wind around 23 mph, with gusts as high as 32 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 | 23 mph NNW | 86% |
| Wednesday | 43°F | Light Rain | 20 to 24 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 | 35°F | Partly Cloudy | 9 to 13 mph WNW | 5% |
| Sunday | 56°F | Mostly Sunny | 9 mph WSW | 2% |
| Sunday Night | 39°F | Partly Cloudy | 7 to 13 mph SW | 0% |
| Monday | 57°F | Mostly Sunny | 12 to 18 mph WNW | 0% |
| Monday Night | 37°F | Mostly Clear | 7 to 10 mph W | 0% |
| Tuesday | 53°F | Mostly Sunny | 8 mph W | 0% |
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.