Ferney, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ferney, a community in Brown County, South Dakota.
Today
67°F
Patchy Fog then Cloudy
Patchy fog before 11am. Cloudy, with a high near 67. North northeast wind 6 to 12 mph, with gusts as high as 21 mph.
7-day forecast for Ferney
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Patchy Fog then Cloudy | 6 to 12 mph NNE | 2% |
| Tonight | 51°F | Mostly Cloudy | 5 to 10 mph NE | 4% |
| Sunday | 66°F | Mostly Cloudy | 12 mph NE | 9% |
| Sunday Night | 48°F | Mostly Cloudy | 5 to 9 mph E | 12% |
| Monday | 67°F | Partly Sunny | 8 mph E | 12% |
| Monday Night | 44°F | Partly Cloudy | 6 mph ESE | 7% |
| Tuesday | 68°F | Mostly Sunny | 5 to 14 mph SE | 1% |
| Tuesday Night | 48°F | Partly Cloudy | 12 mph SSE | 5% |
| Wednesday | 70°F | Partly Sunny then Slight Chance Rain Showers | 13 to 17 mph SSE | 15% |
| Wednesday Night | 52°F | Chance Rain Showers | 13 mph SSE | 31% |
| Thursday | 72°F | Chance Rain Showers then Partly Sunny | 9 to 13 mph SSE | 31% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 9 mph SSE | 21% |
| Friday | 74°F | Slight Chance Rain Showers then Partly Sunny | 9 to 14 mph SSE | 21% |
| Friday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 14 mph SSE | 20% |
Forecast source: National Weather Service (api.weather.gov) for Ferney (45.335, -98.094). Updated through the day.
Growing snapshot for Ferney
Last spring frost
May 6
First fall frost
Oct 4
Growing season
150 days
Hardiness zone
4a
More local growing data for Ferney: nearby ZIP 57439 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
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Bath Corner
Claremont
Columbia
Frederick
Grassland Colony
Groton
Hecla
Hutterville Colony
Mansfield
Mina
Prairiewood Village
Stratford
Warner
Westport
Wetonka
Climate data from the nearest NOAA station, Andover #2, Sd (10.8 mi from Ferney). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.