Mansfield, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mansfield, a community in Brown County, South Dakota.
Tonight
36°F
Chance Light Rain
A chance of rain after 11pm. Cloudy. Low around 36, with temperatures rising to around 39 overnight. North northwest wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Mansfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 36°F | Chance Light Rain | 14 to 20 mph NNW | 44% |
| Wednesday | 45°F | Light Rain Likely | 15 to 18 mph NNW | 56% |
| Wednesday Night | 30°F | Mostly Cloudy | 12 to 15 mph NNW | 9% |
| Thursday | 42°F | Partly Sunny | 8 to 14 mph N | 0% |
| Thursday Night | 24°F | Mostly Cloudy | 2 to 7 mph E | 0% |
| Friday | 43°F | Partly Sunny | 2 to 6 mph S | 0% |
| Friday Night | 25°F | Partly Cloudy | 6 mph SSW | 0% |
| Saturday | 56°F | Mostly Sunny | 6 to 12 mph WSW | 3% |
| Saturday Night | 30°F | Mostly Clear | 8 mph W | 2% |
| Sunday | 56°F | Sunny | 6 to 9 mph SSW | 1% |
| Sunday Night | 34°F | Mostly Clear | 9 mph SSW | 0% |
| Monday | 59°F | Mostly Sunny | 8 to 15 mph WNW | 0% |
| Monday Night | 32°F | Mostly Clear | 5 to 8 mph WNW | 0% |
| Tuesday | 54°F | Mostly Sunny | 5 to 8 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Mansfield (45.246, -98.558). Updated through the day.
Growing snapshot for Mansfield
Last spring frost
May 11
First fall frost
Sep 27
Growing season
137 days
Hardiness zone
4b
More local growing data for Mansfield: nearby ZIP 57460 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Aberdeen
Bath
Bath Corner
Claremont
Columbia
Ferney
Frederick
Grassland Colony
Groton
Hecla
Hutterville Colony
Mina
Prairiewood Village
Stratford
Warner
Westport
Wetonka
Climate data from the nearest NOAA station, Mellette 4 W, Sd (9.6 mi from Mansfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.