Ferney, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ferney, a community in Brown County, South Dakota.
Tonight
55°F
Areas Of Drizzle
Areas of drizzle and patchy fog. Cloudy, with a low around 55. Northeast wind 3 to 7 mph. Chance of precipitation is 30%.
7-day forecast for Ferney
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Areas Of Drizzle | 3 to 7 mph NE | 34% |
| Saturday | 67°F | Areas Of Fog | 8 to 12 mph NE | 3% |
| Saturday Night | 53°F | Mostly Cloudy | 6 to 10 mph NE | 7% |
| Sunday | 66°F | Mostly Cloudy | 9 to 13 mph ENE | 12% |
| Sunday Night | 50°F | Chance Rain Showers | 5 to 9 mph E | 44% |
| Monday | 64°F | Chance Rain Showers then Mostly Cloudy | 8 mph E | 44% |
| Monday Night | 47°F | Mostly Cloudy | 6 mph ESE | 5% |
| Tuesday | 67°F | Partly Sunny | 5 to 12 mph SE | 2% |
| Tuesday Night | 50°F | Partly Cloudy | 10 mph SSE | 11% |
| Wednesday | 69°F | Partly Sunny then Slight Chance Rain Showers | 12 to 16 mph SSE | 15% |
| Wednesday Night | 54°F | Chance Rain Showers | 8 to 12 mph SSE | 28% |
| Thursday | 71°F | Chance Rain Showers then Partly Sunny | 9 mph SSE | 28% |
| Thursday Night | 54°F | Partly Cloudy | 7 mph SSE | 14% |
| Friday | 73°F | Partly Sunny | 8 to 14 mph SE | 14% |
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
Aberdeen
Bath
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.