Sisseton, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sisseton, a city in Roberts County, South Dakota.
This Afternoon
48°F
Chance Light Rain
A chance of rain. Cloudy. High near 48, with temperatures falling to around 44 in the afternoon. North northwest wind around 24 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Sisseton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Chance Light Rain | 24 mph NNW | 47% |
| Tonight | 37°F | Light Rain | 16 to 22 mph NNW | 87% |
| Wednesday | 43°F | Light Rain | 20 to 23 mph NNW | 88% |
| Wednesday Night | 32°F | Chance Light Rain then Mostly Cloudy | 18 mph NNW | 26% |
| Thursday | 40°F | Partly Sunny | 10 to 18 mph N | 4% |
| Thursday Night | 29°F | Mostly Cloudy | 2 to 9 mph NW | 0% |
| Friday | 44°F | Partly Sunny | 5 mph SSW | 0% |
| Friday Night | 30°F | Partly Cloudy | 6 mph SSW | 0% |
| Saturday | 55°F | Mostly Sunny | 6 to 14 mph WSW | 4% |
| Saturday Night | 36°F | Partly Cloudy | 12 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% |
Forecast source: National Weather Service (api.weather.gov) for Sisseton (45.662, -97.045). Updated through the day.
Growing snapshot for Sisseton
Last spring frost
May 4
First fall frost
Oct 3
Growing season
151 days
Hardiness zone
4b
More local growing data for Sisseton: nearby ZIP 57262 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Agency Village
Claire City
Corona
Long Hollow
New Effington
Peever
Peever Flats
Rosholt
White Rock Colony
Wilmot
Climate data from the nearest NOAA station, Sisseton, Sd (1.7 mi from Sisseton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.