Mansfield, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mansfield, a community in Brown County, South Dakota.
This Afternoon
51°F
Slight Chance Light Rain
A slight chance of rain. Cloudy. High near 51, with temperatures falling to around 48 in the afternoon. North northwest wind 17 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
7-day forecast for Mansfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 51°F | Slight Chance Light Rain | 17 to 22 mph NNW | 17% |
| Tonight | 34°F | Chance Light Rain | 16 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% |
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
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Bath Corner
Claremont
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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 3, 2026.